opaque


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opaque

 [o-pāk]
impervious to light rays or, by extension, to x-rays or other electromagnetic radiation; neither translucent nor transparent.

o·paque

(ō-pāk'),
Impervious to light; not translucent or only slightly so. Compare: radiopaque.
[Fr. fr. L. opacus, shady]

opaque

(o-pāk´) impervious to light rays or, by extension, to x-rays or other electromagnetic radiation.

opaque

[ōpāk′]
Etymology: L, opacus, obscure
1 pertaining to a substance or surface that neither transmits nor allows the passage of light.
2 neither transparent nor translucent.

o·paque

(ō-pāk')
Impervious to light; not translucent or only slightly so.
Compare: radiopaque
[Fr. fr. L. opacus, shady]

opaque 

Impervious to the passage of light. See transparent.

o·paque

(ō-pāk')
Impervious to light; not translucent or only slightly so.
Compare: radiopaque
[Fr. fr. L. opacus, shady]

opaque (ōpāk´),

adj relatively impenetrable to light. See also opacity, optical.

opaque

impervious to light rays or, by extension, to x-rays or other electromagnetic radiation; neither translucent nor transparent.
References in classic literature ?
His tinted glasses were not really opaque, but of a blue kind common enough, nor were the eyes behind them shifty, but regarded me steadily.
When a fire glowed, banks of smoke, blown level along the ground, would themselves become illuminated to an opaque lustre, screening the workpeople from one another; and meaning of the "pillar of a cloud", which was a wall by day and a light by night, could be understood.
She had pale opaque eyes which revealed nothing and reflected nothing, and her narrow lips were of the same sallow colour as her face.
And now my chains are to be broken; I shall mount above these clouds and opaque airs in which I live,--opaque, though they seem transparent, --and from the heaven of truth I shall see and comprehend my relations.
About fifteen hundred feet from the ground, it encountered an opaque mass of cloud, and entered a dense fog, suspended at that elevation; but it did not meet with the least breath of wind.
They were sombre blues, opaque like a delicately carved bowl in lapis lazuli, and yet with a quivering lustre that suggested the palpitation of mysterious life; there were purples, horrible like raw and putrid flesh, and yet with a glowing, sensual passion that called up vague memories of the Roman Empire of Heliogabalus; there were reds, shrill like the berries of holly -- one thought of Christmas in England, and the snow, the good cheer, and the pleasure of children -- and yet by some magic softened till they had the swooning tenderness of a dove's breast; there were deep yellows that died with an unnatural passion into a green as fragrant as the spring and as pure as the sparkling water of a mountain brook.
If now we were to try to penetrate to the soul of Quasimodo through that thick, hard rind; if we could sound the depths of that badly constructed organism; if it were granted to us to look with a torch behind those non-transparent organs to explore the shadowy interior of that opaque creature, to elucidate his obscure corners, his absurd no-thoroughfares, and suddenly to cast a vivid light upon the soul enchained at the extremity of that cave, we should, no doubt, find the unhappy Psyche in some poor, cramped, and ricketty attitude, like those prisoners beneath the Leads of Venice, who grew old bent double in a stone box which was both too low and too short for them.
The extremities of the avenues were imperceptibly detached from the copse, by a lighter shadow of opaque gray, which, upon closer examination, became visible in the midst of the obscurity.
In spite of a slight tendency to exaggeration, Katharine decidedly hits the mark," he said, and lying back in his chair, with his opaque contemplative eyes fixed on the ceiling, and the tips of his fingers pressed together, he depicted, first the horrors of the streets of Manchester, and then the bare, immense moors on the outskirts of the town, and then the scrubby little house in which the girl would live, and then the professors and the miserable young students devoted to the more strenuous works of our younger dramatists, who would visit her, and how her appearance would change by degrees, and how she would fly to London, and how Katharine would have to lead her about, as one leads an eager dog on a chain, past rows of clamorous butchers' shops, poor dear creature.
The projectile grazed the flier's side, the opaque coating breaking sufficiently to permit daylight to strike in upon the powder phial within the bullet's nose.
She sat to-night revolving, as she was wont, the scenes of the day, her lips often curling with amusement at the oddities to which her fancy added fresh drollery: people were so ridiculous with their illusions, carrying their fool's caps unawares, thinking their own lies opaque while everybody else's were transparent, making themselves exceptions to everything, as if when all the world looked yellow under a lamp they alone were rosy.
He is not opaque of set purpose, often it is against his will - it is certainly against mine, I try to keep my shutters open and my foot in the door but they will bang to.