Definition of opaque

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Opaque (a.) Impervious to the rays of light; not transparent; as, an opaque substance..

Lern More About Opaque

Radiograph :: Radiograph (n.) A picture produced by the Rontgen rays upon a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays..
Diffraction :: Diffraction (n.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars..
Keratonyxis :: Keratonyxis (n.) The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass..
Transparent :: Transparent (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..
Opaque :: Opaque (n.) That which is opaque; opacity.
Deflection :: Deflection (n.) A deviation of the rays of light toward the surface of an opaque body; inflection; diffraction.
Negative :: Negative (n.) A picture upon glass or other material, in which the light portions of the original are represented in some opaque material (usually reduced silver), and the dark portions by the uncovered and transparent or semitransparent ground of the picture..
Allanite :: Allanite (n.) A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition..
Semiopaque :: Semiopaque (a.) Half opaque; only half transparent.
Corpulent :: Corpulent (a.) Solid; gross; opaque.
Megascope :: Megascope (n.) A modification of the magic lantern, used esp. for throwing a magnified image of an opaque object on a screen, solar or artificial light being used..
Whitish :: Whitish (a.) Covered with an opaque white powder.
Hygrophanous :: Hygrophanous (a.) Having such a structure as to be diaphanous when moist, and opaque when dry..
Leucoxene :: Leucoxene (n.) A nearly opaque white mineral, in part identical with titanite, observed in some igneous rocks as the result of the alteration of titanic iron..
Dense :: Dense (a.) Having the constituent parts massed or crowded together; close; compact; thick; containing much matter in a small space; heavy; opaque; as, a dense crowd; a dense forest; a dense fog..
Opacity :: Opacity (n.) The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
Opacular :: Opacular (a.) Opaque.
Tubercle :: Tubercle (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..
Semiopacous :: Semiopacous (a.) Semiopaque.
Quartz :: Quartz (n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque..
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