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optical works. Optic angle (Opt.), the angle included between the optic axes of the two eyes when directed to the same point; -- sometimes called binocular parallax. -- Optic axis. (Opt.) (a) A line drawn through the center of the eye perpendicular to its anterior and posterior surfaces. In a normal eye it is in the…

A reddish brown amorphous dyestuff,

ste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.

To excel or overcome in staring; to face down. I would outstare the sternest eyes that look. Shak.

exceed in power; to cause to yield; to vanquish; to subdue; as, the light overpowers the eyes. "And overpower'd that gallant few." Wordsworth.

Any cpecies of raptorial birds of the family Strigidæ. They have large eyes and ears, and a conspicuous circle of feathers around each eye. They are mostly nocturnal in their habits.

Having eyes like an owl's.

Having large, full eyes, like those of an ox. Burton.

o secure silence before making a proclamation. It is repeated three times. [Written also oyes.]

An artifical red nitrogenous dyestuff, called also red coralline.

wound about a rope like a bandage, before it is served; used, also, in mousing on the stayes, etc.

he charm will pass. Dryden. The passing of the sweetest soul That ever looked with human eyes. Tennyson.

g the parts loose or dispersed; as, a patulous calyx; a patulous cluster of flowers. The eyes are large and patulous. Sir J. Hill.

To look slyly, or with the eyes half closed, or through a crevice; to peep. [Colloq.]

Inquisitive; suspicious; sharp. [Prov. Eng. & Scot.] "Two peery gray eyes." Sir W. Scott.

building, as over a door or window; a lean-to. Also figuratively. "The penthouse of his eyes." Sir W. Scott.

may, fair lady, Perceive I speak sincerely. Shak. Till we ourselves see it with our own eyes, and perceive it by our own understandings, we are still in the dark. Locke.

One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthaleïn. Their alkaline solutions are fluorescent. Phenol phthalein, a white or yellowish white crystalline substance made from phthalic acid and phenol. Its solution in alkalies…

alline substance, C6H4.(CO2H)2, analogous to benzoic acid, and employed in the brilliant dyestuffs called the phthaleins.

her thing; as, a child is the picture of his father; the man is the picture of grief. My eyes make pictures when they are shut. Coleridge.