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What is the meaning of OPA. Phrases containing OPA
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OPA
Atmospheric Research Center
Opacity Project At Livermore
OPA
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Acronyms & AI meanings
Michigan Institute of Technology
Fetal Antigen 2
Right Is Wrong
Local Nature Reserve
Ontologies Databases and Optimizations
Union of Film Distributors
Historical Rate Roll
National Geographic Channel Asia
Daughters of the Republic of Texas
Floor Clean Out
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imp. & p. p.
of Opalesce
n.
A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.
a.
Impervious to the rays of light; not transparent; as, an opaque substance.
n.
The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
a.
See Opaque.
p. pr. & vb. n.
of Opalesce
v. t.
To convert into opal, or a substance like opal.
a.
Opaque.
v. i.
To give forth a play of colors, like the opal.
a.
Opaque.
imp. & p. p.
of Opalize
n.
That which is opaque; opacity.
a.
Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
p. pr. & vb. n.
of Opalize
a.
Reflecting a milky or pearly light from the interior; having an opaline play of colors.
a.
Having the property of transmitting rays of light, so that bodies can be distinctly seen through; pervious to light; diaphanous; pellucid; as, transparent glass; a transparent diamond; -- opposed to opaque.
n.
A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
a.
Covered with an opaque white powder.
n.
The state or quality of being impervious to light; opacity.
n.
A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.
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