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Producing color.

A treatise on colors

A treatise on colors.

ntaining liquid pigment and capable of changing its form or size, thus causing changes of color in the translucent skin of such animals as possess them. They are highly developed and numerous in the cephalopods.

rtain chromatic effects of light (depending upon the persistence of vision and mixture of colors) by means of rapidly rotating disks variously colored.

A colored photographic picture taken upon paper made sensitive with potassium bichromate or some other salt of chromium.

, not readily obtained in the free state, but forming well known salts, many of which are colored pigments, as chrome yellow, chrome red, etc. -- Chromic anhydride, a brilliant red crystalline substance, CrO3, regarded as the anhydride of chromic acid. It is one of the most powerful oxidizers known.…

Secretion of abnormally colored perspiration.

e is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colored and are used dyeing and calico printing. Called also chrome.

Vegetable coloring matter other than green; chromule.

A picture printed in tints and colors by repeated impressions from a series of stones prepared by the lithographic process.

Lithography adapted to printing in inks of various colors.

A general name for the several coloring matters, red, green, yellow, etc., present in the inner segments in the cones of the retina, held in solution by fats, and slowly decolorized by light; distinct from the photochemical pigments of the rods of the retina.

A picture made by any of the processes for reproducing photographs in colors. --Chro`mo*pho`to*graph"ic (#), a.

The art of producing photographs in colors.

A photolithograph printed in colors.

A protoplasmic granule of some other color than green; -- also called chromoleucite.

A sheet printed in colors by any process, as a chromolithograph. See Chromolithograph.

A general name for coloring matter of plants other than chlorophyll, especially that of petals.

ained as a by-product in the manufacture of rosaniline. It dyes silk a fine golden-yellow color.