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Field theory of a point particle confined to move on a fixed manifold
In physics, a sigma model is a field theory that describes the field as a point particle confined to move on a fixed manifold. This manifold can be taken
Sigma_model
Class of quantum field theory models
their model. This article deals primarily with the quantization of the non-linear sigma model; please refer to the base article on the sigma model for general
Non-linear_sigma_model
Statistical model in quantum mechanics of magnetic materials
related to the prototypical Ising model, where at each site of a lattice, a spin σ i ∈ { ± 1 } {\displaystyle \sigma _{i}\in \{\pm 1\}} represents a microscopic
Quantum_Heisenberg_model
Technique for the generative modeling of a continuous probability distribution
_{t}=1-{\frac {1-\sigma _{t}^{2}}{1-\sigma _{t-1}^{2}}}} . In order to use arbitrary noise schedules, instead of training a noise prediction model ϵ θ ( x t
Diffusion_model
Mathematical model of ferromagnetism in statistical mechanics
e^{\beta h\sigma _{L}}e^{\beta J\sigma _{L}\sigma _{1}}=\sum _{\sigma _{1},\ldots ,\sigma _{L}}V_{\sigma _{1},\sigma _{2}}V_{\sigma _{2},\sigma _{3}}\cdots
Ising_model
Type of topological solutions in non-linear sigma models
configuration of a certain class of non-linear sigma models. The term was first used in 1979 to name a model of the nucleon by proposed in 1961 by Tony Skyrme
Skyrmion
Mathematical model of financial markets
the stock is then modelled as: S t = S 0 ( 1 − δ ) n ( t ) e u t + σ W t {\displaystyle S_{t}=S_{0}(1-\delta )^{n(t)}e^{ut+\sigma W_{t}}} where n ( t
Black–Scholes_model
Car model from Chrysler (1977–1987)
base model, badged Sigma Galant. The Saturn engine was good for 56 kW (75 hp) of power and 117 N⋅m (86 lb⋅ft) of torque. The mid-range model, the Sigma GL
Chrysler_Sigma
Type of 2D conformal field theory
{\displaystyle G} -WZW model on Σ {\displaystyle \Sigma } at the level k {\displaystyle k} . The model is a nonlinear sigma model whose action is a functional
Wess–Zumino–Witten_model
Eighteenth letter of the Greek alphabet
Sigma (/ˈsɪɡmə/ SIG-mə; uppercase Σ, lowercase σ, lowercase in word-final position ς; Greek: σίγμα) is the eighteenth letter of the Greek alphabet. When
Sigma
Degradation of AI models trained on synthetic data
_{j}X_{j}^{i};\quad \sigma _{i+1}^{2}={\frac {1}{M_{i}-1}}\sum _{j}(X_{j}^{i}-\mu _{i+1})^{2}.} Leading to a conditionally normal next generation model X j i + 1
Model_collapse
Business process improvement technique
Six Sigma (6σ) is a set of techniques and tools for process improvement. It was introduced by American engineer Bill Smith while working at Motorola in
Six_Sigma
Dutch-built family of modular naval vessels, of corvette or frigate size
types of Sigma combatants Sigma frigate Sigma corvette Sigma fast attack corvette Simplified comparisons between the different Sigma models. There are
Sigma-class_design
Model of mesons in the massless quark limit
is a nonlinear sigma model with the principal homogeneous space of a Lie group G {\displaystyle G} as its target manifold. When the model was originally
Chiral_model
Application of Lagrangian mechanics to field theories
general, sigma models exhibit topological soliton solutions. The most famous and well-studied of these is the Skyrmion, which serves as a model of the nucleon
Lagrangian_(field_theory)
Theory in theoretical physics
two-dimensional surfaces. A quantum field theory known as the N = (1,1) sigma model is defined on each surface. This theory consist of maps from the surface
Topological_string_theory
Monster and modular connection
representations of the Mathieu group M24. This suggests that there is a sigma-model conformal field theory with K3 target that carries M24 symmetry. However
Monstrous_moonshine
Shorthand used in statistics
-1\sigma \leq X\leq \mu +1\sigma )&\approx 68.27\%\\\Pr(\mu -2\sigma \leq X\leq \mu +2\sigma )&\approx 95.45\%\\\Pr(\mu -3\sigma \leq X\leq \mu +3\sigma
68–95–99.7_rule
Mathematical model of interest rates
dr_{t}=a(b-r_{t})\,dt+\sigma \,dW_{t}} where Wt is a Wiener process under the risk neutral framework modelling the random market risk factor, in that it models the continuous
Vasicek_model
Coordinate system used in fluid dynamics
The sigma coordinate system is a common coordinate system used in computational models for oceanography, meteorology and other fields where fluid dynamics
Sigma_coordinate_system
Stochastic model for the evolution of financial interest rates
{\displaystyle dr_{t}=a(b-r_{t})\,dt+\sigma {\sqrt {r_{t}}}\,dW_{t},} where W t {\displaystyle W_{t}} is a Wiener process (modelling the random market risk factor)
Cox–Ingersoll–Ross_model
2D conformal field theory used in string theory
{\displaystyle \sigma } , whereas the timelike worldsheet coordinate is called τ {\displaystyle \tau } . This is also known as the nonlinear sigma model. The Polyakov
Polyakov_action
American theoretical physicist (1929–2019)
Path of Buddhism). Gell-Mann, along with Maurice Lévy, developed the sigma model of pions, which describes low-energy pion interactions. In 1964, Gell-Mann
Murray_Gell-Mann
Index of articles associated with the same name
Wikimedia Commons has media related to Mitsubishi Sigma. Mitsubishi Sigma is a model name that was used by the Japanese automobile manufacturer Mitsubishi
Mitsubishi_Sigma
American musical instrument brand
through 1983. The first Sigmas were typically dreadnought acoustic, although Grand Concert Series (GCS) and classical models were also produced from the
Sigma_Guitars
Scalar, spinor and gauge Standard Model Chiral model Non-linear sigma model Wess–Zumino–Witten model Wess–Zumino model Supersymmetric Yang–Mills 4D N =
List of quantum field theories
List_of_quantum_field_theories
Motor vehicle
"Eterna Σ" (Sigma) in Japan, "Sapporo" in Europe, and in the US as "Galant Σ" (1988 model year) followed by plain "Sigma" (1989 to 1990 model years). In
Mitsubishi_Galant
Mathematical measure of a function's variability
the Dirichlet energy is given by the sigma model. The solutions to the Lagrange equations for the sigma model Lagrangian are those functions u that minimize/maximize
Dirichlet_energy
Protein needed for initiation of transcription in prokaryotes
contains exactly one sigma factor subunit, which in the model bacterium Escherichia coli is one of those listed below. The number of sigma factors varies between
Sigma_factor
Time series model
{\displaystyle \sigma _{t}^{2}} is modeled by σ t 2 = α 0 + α 1 ϵ t − 1 2 + ⋯ + α q ϵ t − q 2 = α 0 + ∑ i = 1 q α i ϵ t − i 2 {\displaystyle \sigma _{t}^{2}=\alpha
Autoregressive conditional heteroskedasticity
Autoregressive_conditional_heteroskedasticity
Methodology of systematically removing waste
United States in 1986. Six Sigma was developed within Motorola to compete with the kaizen (or lean manufacturing) business model in Japan.[citation needed]
Lean_Six_Sigma
Hypothetical faster-than-light particle
standard model particles moving at faster-than-light speeds can be modeled using Lorentz invariance violating terms, for example in the Standard-Model Extension
Tachyon
Topological quantum field theory
"Topological and nontopological selfdual Chern-Simons solitons in a gauged O(3) sigma model". Physical Review D. 54 (8): 5245–5258. Bibcode:1996PhRvD..54.5245A.
Chern–Simons_theory
American physicist
two-dimensional field theories, including the supersymmetric sigma model and the kinks of the Gross–Neveu model. Shankar is known for applying renormalization group
Ramamurti_Shankar
Superconductivity theory
argued that these theories are related by a renormalization group flow to sigma models on Calabi–Yau manifolds. In his 1993 paper "Phases of N = 2 theories
Ginzburg–Landau_theory
American physicist
classification of sigma models beyond the constraints established by Alvarez-Gaume and Freedman. Gates' research demonstrated that supersymmetric sigma models incorporating
Sylvester_James_Gates
Russian physicist
Non-linear Sigma Model, (Wiegmann 1985), Wess–Zumino–Witten model (together with Alexander Polyakov), Anderson impurity model and multi-channel Kondo model (with
Paul_Wiegmann
Hamiltonian used in quantum physics
{\displaystyle H=\sum _{k,\sigma }\epsilon _{k}c_{k\sigma }^{\dagger }c_{k\sigma }+\sum _{\sigma }\epsilon _{\sigma }d_{\sigma }^{\dagger }d_{\sigma }+Ud_{\uparrow
Anderson_impurity_model
Theories in particle physics and cosmology
dimension, and then no reference to the bulk is appropriate. In the bulk model, at least some of the extra dimensions are extensive (possibly infinite)
Brane_cosmology
Interest-rate model describing the stochastic evolution of the instantaneous short rate
{\displaystyle \sigma } being the instantaneous volatility. In this short rate model an Ornstein–Uhlenbeck process is used for the short rate. This model allows
Short-rate_model
Physical model defined on a lattice
{\displaystyle \sigma :\Lambda \rightarrow S} . For some models, we might instead consider instead the space of functions σ : E → S {\displaystyle \sigma :E\rightarrow
Lattice_model_(physics)
Stochastic volatility model used in derivatives markets
parameter σ {\displaystyle \sigma } . SABR is a dynamic model in which both F {\displaystyle F} and σ {\displaystyle \sigma } are represented by stochastic
SABR_volatility_model
Method for converting signals between digital and analog
Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency
Delta-sigma_modulation
Conformal field theory on a 2D spacetime
theories include minimal models, Liouville theory, massless free bosonic theories, Wess–Zumino–Witten models, and certain sigma models. Two-dimensional conformal
Two-dimensional conformal field theory
Two-dimensional_conformal_field_theory
Compact astronomical body
holes the only plausible explanation. In 1999, David Merritt proposed the M–sigma relation, which related the dispersion of the velocity of matter in the
Black_hole
Model of future interest rates
(t)r(t)\right]\,dt+\sigma (t)\,dW(t).} There is a degree of ambiguity among practitioners about exactly which parameters in the model are time-dependent
Hull–White_model
Photographic lens
performance suffers a little more than the Sport model between 300 and 600 mm. "The Differences Between Sigma's 150-600mm OS Sports and Contemporary Lenses"
Sigma 150-600mm f/5-6.3 DG OS HSM lens
Sigma_150-600mm_f/5-6.3_DG_OS_HSM_lens
Property of materials with both viscous and elastic characteristics under deformation
η E σ ˙ = η ε ˙ {\displaystyle \sigma +{\frac {\eta }{E}}{\dot {\sigma }}=\eta {\dot {\varepsilon }}} Under this model, if the material is put under a
Viscoelasticity
Model of electrical conduction
{J} =\sigma _{0}\mathbf {E} } with a DC-conductivity σ0: σ 0 = n q 2 τ m {\displaystyle \sigma _{0}={\frac {nq^{2}\tau }{m}}} The Drude model can also
Drude_model
Mathematical simulation of how air pollutants disperse in the ambient atmosphere
Whereas older models rely on stability classes (see air pollution dispersion terminology) for the determination of σ y {\displaystyle \sigma _{y}} and σ
Atmospheric dispersion modeling
Atmospheric_dispersion_modeling
Measure of variation in statistics
theoretical model of reality is used. Particle physics conventionally uses a standard of "5 sigma" for the declaration of a discovery. A five-sigma level translates
Standard_deviation
Financial model
volatility parameter σ = 0.02 {\displaystyle \sigma =0.02} and T = 1 {\displaystyle T=1} . Under the log normal model the floor term is zero, since I {\displaystyle
Black_model
than two dimensions. The continuum limit can be understood to be the sigma model. This can be easily obtained by writing the Hamiltonian in terms of the
N-vector_model
Type of supersymmetric quantum field theory
In theoretical physics, the Wess–Zumino model has become the first known example of an interacting four-dimensional quantum field theory with linearly
Wess–Zumino_model
Model in topological quantum mechanics
{\displaystyle A^{-}=-{\sqrt {\tfrac {2}{3}}}\ \sigma ^{-}} where σ {\displaystyle \sigma } is a Pauli matrix. The AKLT model has been solved on lattices of higher
AKLT_model
Extended physical object in string theory
also used to describe the behavior of elementary particles in the Standard Model of particle physics. This connection has led to important insights into
Brane
Probabilistic programming language for Bayesian inference
parameters { real alpha; real beta; real<lower=0> sigma; } model { y ~ normal(alpha + beta * x, sigma); } The Stan language itself can be accessed through
Stan_(software)
Business management method
Design for Six Sigma (DFSS) is a collection of best-practices for the development of new products and processes. It is sometimes deployed as an engineering
Design_for_Six_Sigma
British super-lightweight sports car
6-litre Ford Sigma petrol engine which makes use of twin throttle bodies to aid airflow. This model was discontinued in 2022, when the Sigma engine was
Caterham_7
Gauge theory providing unifying formalism for integrable systems
field theories such as principal chiral models, symmetric space coset sigma models and Toda field theory, although the integrable field theories require
Four-dimensional Chern–Simons theory
Four-dimensional_Chern–Simons_theory
Property of gauge theories in particle physics
also be seen in other systems like the nonlinear σ {\displaystyle \sigma } -model in 2 dimensions, which has a structure similar to the SU(n) invariant
Asymptotic_freedom
Property of particles related to spin
symmetry breaking Handedness Spinors Fermionic field § Dirac fields Sigma model Chiral model Note, however, that representations such as Dirac spinors and others
Chirality_(physics)
Israeli self-propelled howitzer
The SIGMA 155 is a 155mm self-propelled howitzer manufactured by the Israeli defense company Elbit Systems being introduced into service in the Israel
SIGMA_155
Motor vehicle platform
Sigma platform is a mid-size automobile platform used by General Motors from the 2003 to 2015 model years. Exclusive to the Cadillac division, Sigma was
General_Motors_Sigma_platform
Lattice model of statistical mechanics
\sigma _{i}\sigma _{j}\rangle _{J,\beta }} Hence the critical β of the XY model cannot be smaller than the double of the critical β of the Ising model
Classical_XY_model
Mathematical model
{\displaystyle \mathbf {\Sigma } _{i}=\lambda \mathbf {\Sigma } _{e}} for some scalar λ {\displaystyle \lambda } , the model can be reduced to one single
Bidomain_model
Battery electric bus range marketed by Mellor Coachcraft
launched the Sigma with the Sigma 7 and Sigma 10 models, with the Sigma 7 being a single door model and the Sigma 10 being a dual door model. The Sigma 7 debuted
Mellor_Sigma
American hedge fund management firm
Two Sigma Investments, LP is an American hedge fund headquartered in New York City. It uses a variety of technological methods, including artificial intelligence
Two_Sigma
Model of viscoelastic material
model of a solid Kelvin–Voigt material. In Maxwell configuration, under an applied axial stress, the total stress, σ T o t a l {\displaystyle \sigma _{\mathrm
Maxwell_model
Simplified model in condensed matter physics
{H}}=-t\sum _{i,\sigma }\left({\hat {c}}_{i,\sigma }^{\dagger }{\hat {c}}_{i+1,\sigma }+{\hat {c}}_{i+1,\sigma }^{\dagger }{\hat {c}}_{i,\sigma }\right)+U\sum
Hubbard_model
Theory in continuum mechanics
{\displaystyle \sigma _{y}} ) that is strain rate dependent, or even constant, as shown in Figure 1c. Viscoplasticity is usually modeled in three-dimensions
Viscoplasticity
Representation of a type of random process
the model mean, and { ε t } {\displaystyle \{\varepsilon _{t}\}} is a white-noise process with zero mean and constant variance σ {\displaystyle \sigma }
Autoregressive_model
Method of modeling the behavior of a viscoelastic material
\sigma _{tot}=\sigma _{1}=\sigma _{2}} , and ε t o t = ε 1 + ε 2 {\displaystyle \varepsilon _{tot}=\varepsilon _{1}+\varepsilon _{2}} . This model consists
Standard_linear_solid_model
Probability distribution
{\textstyle \sigma ^{2}} is the variance. The standard deviation of the distribution is the positive value σ {\displaystyle \sigma } (sigma). A random
Normal_distribution
Continuous stochastic process
\sigma } ('the percentage volatility') are constants. The former parameter is used to model deterministic trends, while the latter parameter models unpredictable
Geometric_Brownian_motion
Model in statistical mechanics
J^{*})=\sum _{\{\sigma \}}\exp \left(K\sum _{\langle ij\rangle _{H}}\sigma _{i}\sigma _{j}+L\sum _{\langle ij\rangle _{V}}\sigma _{i}\sigma _{j}\right).}
Square_lattice_Ising_model
Series of third-generation computers
16-bit Sigma 2 and the 32-bit Sigma 7; the Sigma 7 was the first 32-bit computer released by SDS. At the time, the only competition for the Sigma 7 in the
SDS_Sigma_series
Mathematical construct of fiber bundles
torsion and contorsion tensors of a connection. Solder forms occur in the sigma model, where they glue together the tangent space of a spacetime manifold to
Solder_form
Slang terms for men
have expanded the Greek-letter hierarchy to include related terms such as "sigma male," used to describe a solitary but high-status "lone wolf" who exists
Alpha_and_beta_male
Model of quantum optics
x , σ j y , σ j z ) {\displaystyle {\vec {\sigma }}_{j}=(\sigma _{j}^{x},~\sigma _{j}^{y},~\sigma _{j}^{z})} , satisfying the spin algebra [ σ j x
Dicke_model
Russian-British theoretical physicist
string theory. In particular, he, with E. S. Fradkin, developed the sigma-model approach to string dynamics in curved spacetime and established the central
Arkady_Tseytlin
Hypothetical elementary particle that mediates gravity
bosons. All three forces appear to be accurately described by the Standard Model of particle physics. In the classical limit, a successful theory of gravitons
Graviton
Model of interest rate curves
{\boldsymbol {\sigma }}} . Black–Derman–Toy model Brace–Gatarek–Musiela model Chen model Cheyette model Ho–Lee model Hull–White model M. Musiela, M. Rutkowski:
Heath–Jarrow–Morton_framework
Short-lived hadronic particle that is an isospin triplet
ascribed much of the literature of hidden local symmetry to a non-linear sigma model. The exact value depends on the method used. See the given reference
Rho_meson
Field theory involving topological effects in physics
physicists and mathematicians study, but it is not necessary. A topological sigma model targets infinite-dimensional projective space, and if such a thing could
Topological quantum field theory
Topological_quantum_field_theory
Three-factor short-rate model for interest-rate dynamics
σ t ) d t + η σ t d W 3 . {\displaystyle d\sigma _{t}=\mu (\beta -\sigma _{t})\,dt+\eta \,{\sqrt {\sigma _{t}}}\,dW_{3}.} In an authoritative review
Chen_model
Approach to general relativity
(1980) pp 213-393. Nejat Tevfik Yilmaz, (2007) "On the Symmetric Space Sigma-Model Kinematics" arXiv:0707.2150 [hep-th] Arjan Keurentjes (2003) "The group
Tetrad_formalism
Estimator for quality of a statistical model
{1}{{\sqrt {2\pi }}\sigma _{2}}}\exp \left(-{\frac {(x_{i}-\mu _{2})^{2}}{2\sigma _{2}^{2}}}\right)} The second model models the two populations as
Akaike_information_criterion
Model used in computational fluid dynamics
contain some adjustable constants: σ k {\displaystyle \sigma _{k}} , σ ε {\displaystyle \sigma _{\varepsilon }} , C 1 ε {\displaystyle C_{1\varepsilon
K-epsilon_turbulence_model
Probability distribution
{\ln x-\mu }{\sigma }}\right)}{\frac {1}{\sigma x}}\\[6pt]&={\frac {1}{x\sigma {\sqrt {2\pi }}}}\exp \left(-{\frac {(\ln x-\mu )^{2}}{2\sigma ^{2}}}\right)~
Log-normal_distribution
Statistical model for censored regressands
{\displaystyle {\mathcal {L}}(\beta ,\sigma )=\prod _{j=1}^{N}\left({\frac {1}{\sigma }}\varphi \left({\frac {y_{j}-X_{j}\beta }{\sigma }}\right)\right)^{I(y_{j})}\left(1-\Phi
Tobit_model
"A" Sigma 20mm f/1.4 DG HSM "A" Sigma 24mm f/1.4 DG HSM "A" Sigma 28mm f/1.4 DG HSM "A" Sigma 30mm f/1.4 EX DC HSM Sigma 30mm f/1.4 DC HSM "A" Sigma 35mm
List of Nikon F-mount lenses with integrated autofocus motor
List_of_Nikon_F-mount_lenses_with_integrated_autofocus_motor
Model of electronic band structures of solids
s-band model we only have σ {\displaystyle \sigma } -bonds between the s-orbitals with bond energy E s , s = V s s σ {\displaystyle E_{s,s}=V_{ss\sigma }}
Tight_binding
Statistical concept
N}&\sim &{\mathcal {N}}(\mu _{z_{i}},\sigma _{z_{i}}^{2})\end{array}}} A Bayesian version of a Gaussian mixture model is as follows: K , N = as above ϕ i
Mixture_model
Model in physics
elevation), σ {\displaystyle \sigma } ranges in [ 0 , ∞ ) {\displaystyle [0,\infty )} . In the Oren–Nayar reflectance model, each facet is assumed to be
Oren–Nayar_reflectance_model
Decay of a neutron when outside a nucleus
order 𝒪(α/π) in standard V − A effective theory with QED and linear sigma model of strong low-energy interactions". International Journal of Modern Physics
Free_neutron_decay
Economic model of monopolistic competition
model begins with a standard CES utility function: u = [ ∑ i = 1 N x i σ − 1 σ ] σ σ − 1 {\displaystyle u=\left[\sum _{i=1}^{N}x_{i}^{\frac {\sigma -1}{\sigma
Dixit–Stiglitz_model
Japanese camera and camera lens manufacturer
accessories. All Sigma products are produced in the company's own Aizu factory in Bandai, Fukushima, Japan. Although Sigma produces several camera models, the company
Sigma_Corporation
Photographic lens
The Sigma 300 – 800 mm lens is a professional-level supertelephoto zoom lens made by Sigma Corporation from 2002 to 2019 for use with analog and digital
Sigma 300–800mm f/5.6 EX DG HSM lens
Sigma_300–800mm_f/5.6_EX_DG_HSM_lens
Statement that is taken to be true
{\text{if }}\Sigma \models \phi {\text{ then }}\Sigma \vdash \phi } that is, for any statement that is a logical consequence of Σ {\displaystyle \Sigma } there
Axiom
SIGMA MODEL
SIGMA MODEL
Girl/Female
Latin
Sign.
Female
Hindi/Indian
(सीमा) Hindi name SIMA means "boundary, limit." Compare with another form of Sima.
Female
Hindi/Indian
(सीमा) Variant spelling of Hindi Sima, SEEMA means "boundary, limit." Compare with another form of Seema.
Girl/Female
Arabic, Muslim
Peace
Girl/Female
Danish, German, Latin, Scandinavian, Swedish
Sign; Signal; Victory
Girl/Female
Scottish
Listener.
Girl/Female
Tamil
Boundary, Border
Boy/Male
Arabic, Muslim
Gold Stigma of a Flower; Derived from Zarparan
Surname or Lastname
English
English : patronymic from Sim.Jewish (Ashkenazic) : metronymic from the Yiddish female personal name Sime (see Sima).
Girl/Female
British, Danish, English, German, Swedish
Powerful Silence; Peaceful Victory
Surname or Lastname
English and French
English and French : nickname for a tall person, from Old English lang, long, Old French long ‘long’, ‘tall’ (equivalent to Latin longus).Irish (Ulster (Armagh) and Munster) : reduced Anglicized form of Gaelic Ó Longáin (see Langan).Chinese : from the name of an official treasurer called Long, who lived during the reign of the model emperor Shun (2257–2205 bc). his descendants adopted this name as their surname. Additionally, a branch of the Liu clan (see Lau 1), descendants of Liu Lei, who supposedly had the ability to handle dragons, was granted the name Yu-Long (meaning roughly ‘resistor of dragons’) by the Xia emperor Kong Jia (1879–1849 bc). Some descendants later simplified Yu-Long to Long and adopted it as their surname.Chinese : there are two sources for this name. One was a place in the state of Lu in Shandong province during the Spring and Autumn period (722–481 bc). The other source is the Xiongnu nationality, a non-Han Chinese people.Chinese : variant of Lang.Cambodian : unexplained.
Girl/Female
Afghan, Arabic, Armenian, Australian, Farsi, French, Gujarati, Hebrew, Hindu, Indian, Malayalam, Muslim, Sanskrit, Tamil
Limit; Border; Listener; Precious Thing; Treasure; Boundary; Bank; Shore
Male
Hebrew
(ש×Öµ×) Hebrew name SHEM means "conspicuous position, name, renown, sigma." In the bible, this is the name of a son of Noah.
Surname or Lastname
German
German : habitational name from any of several places so named, for example in Westphalia and Switzerland.German : nickname from Middle High German heiden ‘heathen’, Old High German heidano, apparently a derivative of heida ‘heath’, modeled on Latin paganus (see Pain 1). The nickname was sometimes used to refer to a Christian knight who had been on a Crusade to fight in the Holy Land.Jewish (Ashkenazic) : of uncertain origin; possibly a shortened form of any of various ornamental names formed with German Heide- ‘heath’, for example Heidenberg, Heidenkorn, Heidenkrug, Heidenwurzel.English : variant spelling of Hayden.Dutch : shortened form of vanderHeiden.
Boy/Male
Norse
Victorious defender.
Boy/Male
Hindu, Indian, Muslim
Powerful; Mighty; Strong; Rich; Successful
Surname or Lastname
English
English : patronymic from a short form of the personal name Simon.Jewish (from Ukraine; Symes, Symis) : metronymic from the Yiddish female personal name Sime (see Sima).Benjamin Syms was a planter and philanthropist, probably the earliest inhabitant of any North American colony to bequeath property for the establishment of a free school. His name was spelled variously as Sims, Simes, Sym, Symms, Syms, and Symes. He was probably born in England, but was reported in the VA census of 1624/25 as age 33 and living at Basse’s Choice in what was later known as Isle of Wight County.
Surname or Lastname
English and Scottish
English and Scottish : occupational name for a stonemason, Middle English, Old French mas(s)on. Compare Machen. Stonemasonry was a hugely important craft in the Middle Ages.Italian (Veneto) : from a short form of Masone.French : from a regional variant of maison ‘house’.George Mason (1725–92), the American colonial statesman who framed the VA Bill of Rights and Constitution, which was used as a model by Thomas Jefferson when drafting the Declaration of Independence, was a VA planter, fourth in descent from George Mason (?1629–?86), a royalist soldier of the English Civil War who had received land grants in VA. As well as being prominent in the affairs of VA, the family also produced the first governor of MI.
Girl/Female
Hindu
Boundary, Border
Surname or Lastname
English (Midlands)
English (Midlands) : from the Middle English personal name, a pet form of Sim.Jewish (from Belarus) : metronymic from Simke, a pet form of the Yiddish female personal name Sime (see Sima) with the eastern Slavic possessive suffix -in.
SIGMA MODEL
SIGMA MODEL
Surname or Lastname
English and French
English and French : nickname, possibly sometimes applied ironically, from Middle English gente, Old French gent(il) ‘well born’, ‘noble’, ‘courteous’. Compare Gentle.German and English : habitational name for someone from Ghent in Flanders, French name Gand.
Biblical
opening
Girl/Female
Indian
Precious thing, Gem, Princess, Refined, Pure, Exquisite
Girl/Female
Hindu, Indian, Marathi, Sanskrit
One who Gives Courage
Boy/Male
Indian
Thirsty
Boy/Male
Czechoslovakian
From beyond the brook.
Female
French
French form of Swiss/German Verena, possibly VÉRÈNE means "to fear, to respect."
Girl/Female
Hindu, Indian, Sindhi
Rained
Girl/Female
Tamil
Everyones favorite
Boy/Male
Hindu
Speech
SIGMA MODEL
SIGMA MODEL
SIGMA MODEL
SIGMA MODEL
SIGMA MODEL
n.
The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
v. t.
A small spot, mark, scar, or a minute hole; -- applied especially to a spot on the outer surface of a Graafian follicle, and to spots of intercellular substance in scaly epithelium, or to minute holes in such spots.
v. t.
Marks believed to have been supernaturally impressed upon the bodies of certain persons in imitation of the wounds on the crucified body of Christ. See def. 5, above.
v. t.
To apply pollen to (a stigma).
v. t.
A point so connected by any law whatever with another point, called an index, that as the index moves in any manner in a plane the first point or stigma moves in a determinate way in the same plane.
n. pl.
The signs, abbreviations, letters, or characters standing for words, shorthand, etc., in ancient manuscripts, or on coins, medals, etc.
n.
Stigma; brand; reproach.
v. t.
One of the external openings of the tracheae of insects, myriapods, and other arthropods; a spiracle.
n.
pl. of Stigma.
pl.
of Sigma
n.
A stigma. See Stigma, n., 6 (a) & (b).
v. t.
A mark made with a burning iron; a brand.
pl.
of Stigma
v. t.
That part of a pistil which has no epidermis, and is fitted to receive the pollen. It is usually the terminal portion, and is commonly somewhat glutinous or viscid. See Illust. of Stamen and of Flower.
v. t.
One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.
pl.
of Stigma
a.
Of or pertaining to a stigma or stigmata.
v. t.
One of the apertures of the gill of an ascidian, and of Amphioxus.
v. t.
A red speck upon the skin, produced either by the extravasation of blood, as in the bloody sweat characteristic of certain varieties of religious ecstasy, or by capillary congestion, as in the case of drunkards.
v. t.
Any mark of infamy or disgrace; sign of moral blemish; stain or reproach caused by dishonorable conduct; reproachful characterization.