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On distances between points on a circle
In mathematics, the three-gap theorem, three-distance theorem, or Steinhaus conjecture states that if one places n {\displaystyle n} points on a circle
Three-gap_theorem
Polish mathematician (1932–2015)
to two iconic problems posed by Hugo Steinhaus: the three-gap theorem and the non-tetratorus theorem. Stanisław (Stash) Świerczkowski was born in Toruń
Stanisław_Świerczkowski
Integer multiples of any irrational mod 1 are uniformly distributed on the circle
approximation Low-discrepancy sequence Dirichlet's approximation theorem Three-gap theorem P. Bohl, (1909) Über ein in der Theorie der säkularen Störungen
Equidistribution_theorem
has been credited to Danish statistician Kirstine Smith. Three-gap theorem The three-gap theorem states that if one places n points on a circle, at angles
List of inventions and discoveries by women
List_of_inventions_and_discoveries_by_women
Arrangement of leaves on the stem of a plant
morphology L-system Orixa japonica Parastichy Plastochron Repulsion theory Three-gap theorem Sphere packing in a cylinder φύλλον, τάξις. Liddell, Henry George;
Phyllotaxis
Hungarian mathematician (1930–2023)
vertex is joined to all others. In number theory, Sós proved the three-gap theorem, conjectured by Hugo Steinhaus and proved independently by Stanisław
Vera_T._Sós
developments of the concept. For instance, the three-gap theorem implies that every generated collection has at most three different steps, the intervals between
Generated_collection
Point on a nonsingular algebraic curve
higher number. (The Weierstrass gap theorem or Lückensatz is the statement that there must be g {\displaystyle g} gaps.) For hyperelliptic curves, for
Weierstrass_point
Existence of geodesic circles on surfaces
In differential geometry the theorem of the three geodesics, also known as Lyusternik–Schnirelmann theorem, states that every Riemannian manifold with
Theorem of the three geodesics
Theorem_of_the_three_geodesics
Kind of infinitely long sequence of characters
frequency. The three-gap theorem implies that the factors of fixed length n have at most three distinct frequencies, and if there are three values then one
Sturmian_word
17th-century conjecture proved by Andrew Wiles in 1994
Last Theorem was proved for three odd prime exponents p = 3, 5, 7. In 1770, Leonhard Euler gave a proof of p = 3, but his proof contained a major gap. However
Fermat's_Last_Theorem
Limitative results in mathematical logic
Gödel's incompleteness theorems are two theorems of mathematical logic that are concerned with the limits of provability in formal axiomatic theories
Gödel's incompleteness theorems
Gödel's_incompleteness_theorems
comprehensive approaches by other scholars; Banach-Steinhaus theorem, three-gap theorem. LWS, an abbreviation name used by Polish aircraft manufacturer
Timeline of Polish science and technology
Timeline_of_Polish_science_and_technology
Theorem in vector calculus
Stokes' theorem, also known as the Kelvin–Stokes theorem, is a theorem in vector calculus that relates the behavior of a vector field along the edge of
Stokes'_theorem
Theorem about prime numbers
In number theory, the Green–Tao theorem, proven by Ben Green and Terence Tao in 2004, states that the sequence of prime numbers contains arbitrarily long
Green–Tao_theorem
Statement in mathematical combinatorics
In combinatorics, Ramsey's theorem, in one of its graph-theoretic forms, states that one will find monochromatic cliques in any edge labelling (with colours)
Ramsey's_theorem
1995 publication in mathematics
Together with Ribet's theorem, it provides a proof for Fermat's Last Theorem. Both Fermat's Last Theorem and the modularity theorem were believed to be
Wiles's proof of Fermat's Last Theorem
Wiles's_proof_of_Fermat's_Last_Theorem
Theorem classifying finite simple groups
classification of finite simple groups (popularly called the enormous theorem) is a result of group theory stating that every finite simple group is
Classification of finite simple groups
Classification_of_finite_simple_groups
In economics, the Debreu's theorems are preference representation theorems—statements about the representation of a preference ordering by a real-valued
Debreu's representation theorems
Debreu's_representation_theorems
theorem (logic) Diaconescu's theorem (mathematical logic) Easton's theorem (set theory) Erdős–Dushnik–Miller theorem (set theory) Erdős–Rado theorem (set
List_of_theorems
Every Riemannian manifold can be isometrically embedded into some Euclidean space
The Nash embedding theorems (or imbedding theorems), named after John Forbes Nash Jr., state that every Riemannian manifold can be isometrically embedded
Nash_embedding_theorems
Theorem in quantum mechanics
In mathematical physics, Gleason's theorem shows that the rule one uses to calculate probabilities in quantum physics, the Born rule, can be derived from
Gleason's_theorem
Smallest convex set containing a given set
O(n\log n)} for two or three dimensional point sets, and in time matching the worst-case output complexity given by the upper bound theorem in higher dimensions
Convex_hull
Property of artificial neural networks
In the field of machine learning, the universal approximation theorems (UATs) state that neural networks with a certain structure can, in principle, approximate
Universal approximation theorem
Universal_approximation_theorem
Taylor's theorem Ostrowski–Hadamard gap theorem concerning the analytic continuation of complex power series Hadamard three-circle theorem, concerning
List of things named after Jacques Hadamard
List_of_things_named_after_Jacques_Hadamard
Four basic unsolved problems about prime numbers
as the sum of three primes, is a consequence of Goldbach's conjecture. Ivan Vinogradov proved it for large enough n (Vinogradov's theorem) in 1937, and
Landau's_problems
Graphical aid for deriving some concepts in combinatorics
dots and dividers) is a graphical aid for deriving certain combinatorial theorems. It can be used to solve a variety of counting problems, such as how many
Stars and bars (combinatorics)
Stars_and_bars_(combinatorics)
found a serious gap, and fixed it in about 1991. In 1929 Lazar Lyusternik and Lev Schnirelmann published a proof of the theorem of the three geodesics, which
List_of_incomplete_proofs
Describes the range of energies of an electron within the solid
energy that they may not have (called band gaps or forbidden bands). Band theory derives these bands and band gaps by examining the allowed quantum mechanical
Electronic_band_structure
Number divisible only by 1 and itself
ISBN 978-0-538-73758-6. Dudley 1978, Section 2, Theorem 2, p. 16; Neale, Vicky (2017). Closing the Gap: The Quest to Understand Prime Numbers. Oxford University
Prime_number
is a band gap, if any, as opposed to energy gap. Given the diverse contributions of Lord Rayleigh, his name is associated with other theorems, including
Rayleigh theorem for eigenvalues
Rayleigh_theorem_for_eigenvalues
Theorem in statistics and econometrics
econometrics, the Frisch–Waugh–Lovell (FWL) theorem proves a property of ordinary least squares estimators. The theorem is named for econometricians Ragnar Frisch
Frisch–Waugh–Lovell_theorem
Theorem in topology
boundary of the disk. This theorem was thought to be proven by Max Dehn (1910), but Hellmuth Kneser (1929, page 260) found a gap in the proof. The status
Dehn's_lemma
Seven mathematical problems with a US$1 million prize for each solution
P versus NP problem, Riemann hypothesis, Yang–Mills existence and mass gap, and the Poincaré conjecture at the Millennium Meeting held on May 24, 2000
Millennium_Prize_Problems
Type of art
Theorem stencil, sometimes also called theorem painting or velvet painting, is the art of making stencils and using them to make drawings or paintings
Theorem_stencil
Russian mathematician (born 1966)
first paper, used his canonical neighborhoods theorem to construct a Ricci flow with surgery in three dimensions, systematically excising singular regions
Grigori_Perelman
Theorem in geometric topology
conjectured by Henri Poincaré in 1904, the theorem concerns spaces that locally look like ordinary three-dimensional Euclidean space but which are finite
Poincaré_conjecture
On tangency patterns of circles
The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible patterns of tangent circles among non-overlapping
Circle_packing_theorem
Rational right triangles cannot have square area
Fermat's right triangle theorem is a non-existence proof in number theory, published in 1670 among the works of Pierre de Fermat, soon after his death
Fermat's right triangle theorem
Fermat's_right_triangle_theorem
Prime differing from another prime by two
reciprocals of the twin primes was convergent. This famous result, called Brun's theorem, was the first use of the Brun sieve and helped initiate the development
Twin_prime
Conjecture on zeros of the zeta function
2. The prime number theorem implies that on average, the gap between the prime p and its successor is log p. However, some gaps between primes may be
Riemann_hypothesis
Min-max theorem in graph theory
In the mathematical discipline of graph theory, the Erdős–Pósa theorem, named after Paul Erdős and Lajos Pósa, relates two parameters of a graph: The
Erdős–Pósa_theorem
Concept in geometry
as an application of Green's theorem in flux-divergence form (i.e. a two-dimensional version of the divergence theorem), in a way that avoids all mention
Area_of_a_circle
Theorem in quantum mechanics
Koopmans' theorem states that in closed-shell Hartree–Fock theory (HF), the first ionization energy of a molecular system is equal to the negative of
Koopmans'_theorem
Mathematics award
first-ever IMU silver plaque in recognition of his proof of Fermat's Last Theorem. Don Zagier referred to the plaque as a "quantized Fields Medal". Accounts
Fields_Medal
500 pages in 2000 is unusually long for a proof. 1799 – The Abel–Ruffini theorem was nearly proved by Paolo Ruffini, but his proof, spanning 500 pages,
List of long mathematical proofs
List_of_long_mathematical_proofs
Type of massless subatomic particle
pseudo-Goldstone bosons or pseudo–Nambu–Goldstone bosons. Goldstone's theorem examines a generic continuous symmetry which is spontaneously broken; i
Goldstone_boson
Proof that is not easily verified by hand
deduction: …if we accept the [Four-Color Theorem] as a theorem, we are committed to changing the sense of "theorem", or, more to the point, to changing the
Non-surveyable_proof
Conjecture in number theory
smaller than c {\displaystyle c} . A number of famous conjectures and theorems in number theory would follow immediately from the abc conjecture or its
Abc_conjecture
Computational quantum mechanical modelling method to investigate electronic structure
Pierre Hohenberg in the framework of the two Hohenberg–Kohn theorems (HK). The original HK theorems held only for non-degenerate ground states in the absence
Density_functional_theory
Approach to the study of finite semigroups and automata
Open-source software package for the GAP computer algebra system. An introduction to the Krohn-Rhodes Theorem (Section 5); part of the Santa Fe Institute
Krohn–Rhodes_theory
Branch of mathematics
of algebraic geometry are fundamental in Wiles's proof of Fermat's Last Theorem, a problem that was stated in terms of elementary arithmetic, and remained
Geometry
Prize awarded by the American Mathematical Society
2307/1969013. JSTOR 1969013. Mann, Henry B. (1942). "A proof of the fundamental theorem on the density of sums of sets of positive integers". Annals of Mathematics
Cole_Prize
divergences, curls, the fundamental theorem of gradients, Green's theorem, Stokes' theorem, and Gauss' theorem). Other optional mathematics courses may
Mathematics education in the United States
Mathematics_education_in_the_United_States
American actress, mathematics writer, and education advocate (born 1975)
\mathbb {Z} ^{2}} ." Their results are termed the "Chayes–McKellar–Winn theorem". Later, when Chayes was asked to comment about the mathematical abilities
Danica_McKellar
23 mathematical problems stated in 1900
any algebraic numerical coefficients. Extensions of the Kronecker-Weber theorem on Abelian fields to any algebraic realm of rationality. Impossibility
Hilbert's_problems
Mathematical treatise by Euclid
These include the Pythagorean theorem, Thales' theorem, the Euclidean algorithm for greatest common divisors, Euclid's theorem that there are infinitely many
Euclid's_Elements
Estimatation in number theory
writes, "For the largest known maximal gaps, R {\displaystyle R} has remained near 1.13." Prime number theorem Legendre's conjecture and Andrica's conjecture
Cramér's_conjecture
Mathematical problem in number theory
four-square theorem of 1770 states that every natural number is the sum of at most four squares. Since three squares are not enough, this theorem establishes
Waring's_problem
Indian mathematician (1887–1920)
Fermat's last theorem Berndt, Bruce C. (12 December 1997). Ramanujans Notebooks. Springer. ISBN 978-0387949413. "Quotations by Hardy". Gap.dcs.st-and.ac
Srinivasa_Ramanujan
German physicist (1857–1894)
dipole antenna consisting of two collinear one-meter wires with a spark gap between their inner ends, and zinc spheres attached to the outer ends for
Heinrich_Hertz
Solid-state physics model
periodic function, with the same periodicity as the crystal lattice. Bloch's theorem proves that the solutions to this differential equation can be written
K·p_perturbation_theory
Chinese mathematician (born 1958)
involving CM-stability. The first approach is now known to contain a gap. Specifically, Theorem 6.6 asserted that K-stability implies CM-stability. The proof
Tian_Gang
Supposition or system of ideas intended to explain something
likelihood). Gödel's incompleteness theorem shows that no consistent, recursively enumerable theory (that is, one whose theorems form a recursively enumerable
Theory
Australian and American mathematician (born 1975)
and Sciences. Among his contributions to mathematics is the Green–Tao theorem on prime numbers, which he proved in 2004 in collaboration with Ben Green
Terence_Tao
Book by Ian Stewart
conjecture Squaring the circle Four colour theorem Kepler's conjecture Mordell's conjecture Fermat's Last Theorem Three-body problem Riemann hypothesis Poincare
The Great Mathematical Problems
The_Great_Mathematical_Problems
Unsolved problem in computer science
introduced in 1971 by Stephen Cook in his seminal paper "The complexity of theorem proving procedures", and independently by Leonid Levin in 1973. Although
P_versus_NP_problem
Chinese-American mathematician (born 1949)
partial differential equations, the Calabi conjecture, the positive energy theorem, and the Monge–Ampère equation. Yau is considered one of the major contributors
Shing-Tung_Yau
Model for magnetic circuits
secondary leakage inductance respectively. C GAP {\displaystyle C_{\text{GAP}}} represents the air gap permeance. Magnetic complex impedance, also called
Gyrator–capacitor_model
associated to Linnik's theorem New Mersenne conjecture: for any odd natural number p {\displaystyle p} , if any two of the three conditions p = 2 k ± 1
List of unsolved problems in mathematics
List_of_unsolved_problems_in_mathematics
Israeli computer scientist
PCP theorem by gap amplification". Faculty listing, Weizmann Institute Faculty of Mathematics and Computer Science, retrieved 2014-06-18. "Three World-Leading
Irit_Dinur
Topics referred to by the same term
involving its zeros and the exponential of a polynomial Ostrowski–Hadamard gap theorem, a result on the analytic continuation of lacunary power series Hermite–Hadamard
Hadamard_(disambiguation)
Ancient Greek mathematician (fl. 300 BC)
the later tradition of Alexandria. In the Elements, Euclid deduced the theorems from a small set of axioms. He also wrote works on perspective, conic sections
Euclid
Group whose operation is a composition of braids
represented as the closure of certain braids (a result known as Alexander's theorem); in mathematical physics where Artin's canonical presentation of the braid
Braid_group
German mathematician (1882–1935)
contributions to abstract algebra. She also proved Noether's first and second theorems, which are fundamental in mathematical physics. Noether was described by
Emmy_Noether
Mathematical study of the meaning of programming languages
checking. There are many approaches to formal semantics; these belong to three major classes: Denotational semantics, whereby each phrase in the language
Semantics (programming languages)
Semantics_(programming_languages)
Logical principles
typically taken to be axioms, but rather theorems. No viable system of logic can be constructed in which the "three laws" would be the only axioms. Following
Law_of_thought
Computational problems no algorithm can solve
halting Turing machines with the same number of states and symbols). Rice's theorem states that for all nontrivial properties of partial functions, it is undecidable
List_of_undecidable_problems
Area of mathematical logic
then it is ω {\displaystyle \omega } -stable. More generally, the Main gap theorem implies that if there is an uncountable cardinal λ {\displaystyle \lambda
Model_theory
Cubic graph with 10 vertices and 15 edges
with three colors — but not with two — such that no edge connects vertices of the same color. It has a list coloring with 3 colors, by Brooks's theorem for
Petersen_graph
Sums of sets of vectors are nearly convex
about how close the approximation is. For example, the Shapley–Folkman theorem provides an upper bound on the distance between any point in the Minkowski
Shapley–Folkman_lemma
Metal with a small negative indirect band-gap
separated from an empty conduction band by a band gap. For insulators, the magnitude of the band gap is larger (e.g., > 4 eV) than that of a semiconductor
Semimetal
Method of drawing geometric objects
be transferred even with a collapsing compass; see compass equivalence theorem. Note however that whilst a non-collapsing compass held against a straightedge
Straightedge and compass construction
Straightedge_and_compass_construction
South African-born mathematician
is the grandson of one of Johannesburg's rabbis and lived in Israel for three years as a child. He graduated from the University of the Witwatersrand
Peter_Sarnak
Statistical model in quantum mechanics of magnetic materials
}-{\frac {1}{2}}\cos 2\eta 1^{\otimes N}.} The Lieb-Schultz-Mattis (LSM) theorem demonstrates that in a one-dimensional antiferromagnetic Heisenberg model
Quantum_Heisenberg_model
Plurality voting system
elections in the UK, the FPTP system has produced strange results, with huge gaps between the votes a party receives and the seats it receives. In the 2024
First-past-the-post_voting
the Kronecker–Weber theorem (with a slight gap). 1896 David Hilbert gives the first complete proof of the Kronecker–Weber theorem. 1897 Weber introduces
Timeline of class field theory
Timeline_of_class_field_theory
greater than 1 that has no divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers
List_of_prime_numbers
Scottish mathematician
division algebra is a field (Wedderburn's little theorem), and part of the Artin–Wedderburn theorem on simple algebras. He also worked on group theory
Joseph_Wedderburn
Hungarian mathematician (1913–1996)
noticing the signs against trespassing, "I was thinking about mathematical theorems." The FBI would maintain surveillance and a file on Erdős into the 1970s
Paul_Erdős
2023 film by Emerald Fennell
herself. Other critics have found similarities to Pier Paolo Pasolini's film Theorem (1968) and Stanley Kubrick's Barry Lyndon (1975), which also addressed
Saltburn_(film)
Computer science award
1145/1568318.1568324. S2CID 207156623. Dinur, Irit (2007). "The PCP theorem by gap amplification". Journal of the ACM. 54 (3): 12–es. doi:10.1145/1236457
Gödel_Prize
Random motion of particles suspended in a fluid
the caloric component of a fluid's internal energy (the equipartition theorem). This motion is named after the Scottish botanist Robert Brown, who first
Brownian_motion
Black hole formed by a collapsed star
other formation mechanisms may operate. By the no-hair theorem, a black hole can only have three fundamental properties: mass, electric charge, and angular
Stellar_black_hole
Hungarian-American mathematician and educator (1887–1985)
27.6.323. PMC 1078330. PMID 16588467. Pólya, G. (1942). "On converse gap theorems". Trans. Amer. Math. Soc. 52 (1): 65–71. doi:10.1090/s0002-9947-1942-0006577-0
George_Pólya
Mutual affection between people
Queerplatonic relationship Romantic friendship Sharing Social connection Theorem on friends and strangers Womance In comparison to older respondents, who
Friendship
Algebraic structure with addition, multiplication, and division
symmetries of field extensions, provides an elegant proof of the Abel–Ruffini theorem that general quintic equations cannot be solved in radicals. Fields serve
Field_(mathematics)
Flat-sided three-dimensional shape
bellows theorem. Three examples are Steffen's polyhedron, Bricard octahedron, and Kokotsakis polyhedron. Convex polyhedra can be defined in three-dimensional
Polyhedron
Country in South Asia
BCE) contain the earliest extant verbal expression of the Pythagorean theorem (although very likely it had been known to the Old Babylonians.) All mathematical
India
Annual high school maths competition
latter has not been as popular as before because of the algorithmic use of theorems like Muirhead's inequality, and complex/analytic bashing to solve problems
International Mathematical Olympiad
International_Mathematical_Olympiad
THREE GAP-THEOREM
THREE GAP-THEOREM
Male
Slovene
Slovene form of Portuguese/Spanish Gaspar, GAÅ PER means "treasure bearer."Â
Male
French
French form of Roman Latin Caietanus, GAËTAN means "from Caieta (Gaeta, Italy)."
Female
Hebrew
(גַּל) Hebrew unisex name GAL means "mound, wave."
Male
Hebrew
(גָּד) Hebrew name GAD means "troop." In the bible, this is the name of a prophet and the seventh son of Jacob by Zilpah. Compare with other forms of Gad.
Girl/Female
Tamil
Anvitha | அநà¯à®µà®¿à®¤à®¾
Who bridges the gap
Anvitha | அநà¯à®µà®¿à®¤à®¾
Girl/Female
Indian, Telugu
Veda means Vedham and Shree means Sriman Narayana
Female
English
Variant spelling of English Gay, GAE means "happy."
Female
English
English name derived from the vocabulary word, GAY means "happy." Compare with masculine Gay.
Female
French
Possibly a contracted form of French Gwenaëlle, GAËLLE means "holy and generous."
Surname or Lastname
English of three possible origins
English of three possible origins : of three possible origins: from a medieval survival with added initial H- of the Old English personal name Ædduc, a diminutive of Æddi, itself a short form of various compound names with the first element ēad ‘prosperity’, ‘fortune’.English of three possible origins : habitational name from Haydock near Liverpool, which is probably named from Welsh heiddog ‘characterized by barley’.English of three possible origins : from Middle English hadduc ‘haddock’, hence a metonymic occupational name for a fisherman or fish seller, or a nickname for someone supposedly resembling the fish.
Male
Native American
Native American Navajo name GAD means "juniper tree."
Surname or Lastname
English (mainly southeastern)
English (mainly southeastern) : topographic name for someone who lived near a conspicuous tree, Middle English tre(w).
Male
Greek
(Γάδ) Greek form of Hebrew Gad, GAD means "troop." In the bible, this is the name of a tribe descended from Gad, mentioned in the New Testament in Rev vii. 5. Compare with other forms of Gad.
Surname or Lastname
English and French
English and French : nickname for a lighthearted or cheerful person, from Middle English, Old French gai. In Middle English the term could also mean ‘wanton’, ‘lascivious’ and this sense may lie behind the surname in some instances.English (of Norman origin) : habitational name from places in Normandy called Gaye, from an early proprietor bearing a Germanic personal name cognate with Wade.probably from the Catalan personal name Gai (Latin Gaius), or in some cases a nickname from Catalan gay ‘cheerful’.Variant of German Gau.North German : from a Frisian personal name Gay.A Congregational clergyman and one of the forerunners of the Unitarian movement in New England, Ebenezer Gay (1696–1787) was born in Dedham, MA, which had been founded by his grandfather, John Gay, who came to America from Wiltshire, England, about 1630 and settled in Watertown, MA. Ebenezer’s great-grandson Howard was editor of the American Anti-Slavery Standard.
Female
French
Feminine form of French Gaëtan, GAËTANE means "from Caieta (Gaeta, Italy)."
Surname or Lastname
English
English : variant spelling of Gadd.Danish : from a medieval nickname Gad meaning ‘sting’, ‘point’, or from the Biblical male personal name Gad.Muslim : from a personal name based on Arabic jÄd ‘serious’, ‘earnest’.
Surname or Lastname
English
English : nickname for a clever or cunning person, from Middle English yap ‘devious’, ‘deceitful’, ‘bent’; ‘shrewd’.Americanized spelling of North German Japp.Chinese : variant of Ye.Filipino : unexplained.
Male
English
 Short form of English names beginning with Gay-, such as Gabriel "man of God" or "warrior of God," and Gaylord, GAY means "dandy." Compare with feminine Gay.
Surname or Lastname
English
English : from Middle English gappe, Old Norse gap ‘chasm’, ‘breach’, hence a topographic name for someone who lived near a gap in a wall, hedge, or (in Norfolk and Suffolk) cliffs.German : from the personal name Gabo, a short form of Gebolf (see Gebhardt).
Male
French
Masculine form of French Gaëlle, GAËL means "holy and generous."
THREE GAP-THEOREM
THREE GAP-THEOREM
THREE GAP-THEOREM
THREE GAP-THEOREM
THREE GAP-THEOREM
THREE GAP-THEOREM
THREE GAP-THEOREM
v.
The gar pike. See Alligator gar (under Alligator), and Gar pike.
v. i.
To pen or part widely; to exhibit a gap, fissure, or hiatus.
a.
Having three acute or setigerous points; tricuspidate.
a.
Having three corners, or angles; as, a three-cornered hat.
n.
Laughing gas.
a.
Having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp.
a.
Producing three leaves; as, three-leaved nightshade.
a.
Alt. of Three-leaved
n.
The number greater by a unit than two; three units or objects.
n.
A symbol representing three units, as 3 or iii.
a.
Having three nerves.
a.
Connected with, or serving to connect, three channels or pipes; as, a three-way cock or valve.
a.
Bearing three flowers together, or only three flowers.
a.
Having three prominent longitudinal angles; as, a three-cornered stem.
n.
That which closes or fills up an opening or gap; hence, a temporary expedient.
a.
Having three lobes.
a.
Consisting of three distinct leaflets; having the leaflets arranged in threes.
v. t.
To place upon a tree; to fit with a tree; to stretch upon a tree; as, to tree a boot. See Tree, n., 3.
a.
Consisting of, or having, three valves; opening with three valves; as, a three-valved pericarp.
a.
Consisting of three distinct webs inwrought together in weaving, as cloth or carpeting; having three strands; threefold.