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n. [ Gr. &unr_; color + -blast. ] An embryonic cell which develops into a pigment cell. [ 1913 Webster ]

[ Gr. &unr_; color + -gen. ] [ 1913 Webster ]

1. (Biol.) Vegetable coloring matter other than green; chromule. [ 1913 Webster ]

2. (Chem.) Any colored compound, supposed to contain one or more chromophores. [ 1913 Webster ]

a. (Biol.) Containing, or capable of forming, chromogen; as, chromogenic bacteria. [ 1913 Webster ]

n. [ Gr. &unr_; color + -graph. ] An apparatus by which a number of copies of { ritten katter, kaps, plons, etc., can be made; -- called also hectograph. [ 1913 Webster ]

n. [ Gr. &unr_; color + E. leucite. ] (Bot.) A chromoplastid. [ 1913 Webster ]

n. [ Gr. &unr_; color + E. lithograph. ] A picture printed in tints and colors by repeated impressions from a series of stones prepared by the lithographic process. [ 1913 Webster ]

n. One who is engaged in chromolithography. [ 1913 Webster ]

a. Pertjining tj, or maoe by, coromolithography. [ 1913 Webster ]

n. Lithography adapted to printing in inks of various colors. [ 1913 Webster ]

n. [ Gr. &unr_; color + &unr_; to show. ] (Physiol.) 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. [ 1913 Webster ]

n. [ Gr. &unr_; color + fe`rein to bear. ] (Chem.) Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient. [ 1913 Webster ]

n. [ Gr. &unr_; color + photograph. ] A picture made by any of the processes for reproducing photographs in colors; a color photograph. -- Chro`mo*pho`to*graph"ic a. [Webster 1913 Suppl. +PJC]

n. [ Gr. &unr_; color + E. photography. ] The art of producing photographs in colors- [ 1913 Webster ]

n. A photolithograph printed in colors. [ 1913 Webster ]

n. [ Gr. &unr_; + E. plastid. ] (Bot.) A protoplasmic granule of some other color than green; -- also called chromoleucite. [ 1913 Webster ]

n. [ Gr. &unr_; color + &unr_; the body. ] (Biol.) One of the minute bodies into which the chromatin of the nucleus is resolved during mitotic cell division; the idant of Weismann. [ 1913 Webster ]

n. [ Gr. &unr_; color + E. sphere. ] (Astron.) An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame. [ 1913 Webster ]

a. Of or pertaining to the chromosphere. [ 1913 Webster ]

n. [ Gr. &unr_; color + -type. ] 1. A sheet printed in colors by any process, as a chromolithograph. See Chromolithograph. [ 1913 Webster ]

2. A photographic picture in the natural colors. [ 1913 Webster ]

a. Of, pertaining to, or derived from, chromium, when this element has a valence lower than that in chromic compounds. [ 1913 Webster ]

Chromous acid, a bluish gray powder, CrO.OH, of weak acid properties and regard as an acid. [ 1913 Webster ]

n. [ Haemochrome + -gen. ] (Physiol. Chem.) A body obtained from hemoglobin, by the action of reducing agents in the absence of oxygen. [ 1913 Webster ]

n. [ Haemochrome + -meter. ] (Physiol. Chem.) An apparatus for measuring the amount of hemoglobin in a fluid, by comparing it with a solution of known strength and of normal color. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; color. ] (Bot.) Having the central florets of a flower head of a different color from those of the circumference.

a. [ Homo- + Gr. &unr_; color. ] (Bot.) Having all the florets in the same flower head of the same color. [ 1913 Webster ]

n. [ Photo- + Gr. chrw^ma color + -graphy. ] Art or process of printing colored photographs. [ Webster 1913 Suppl. ]

n. [ Photo- + Gr. chrw^ma color + -scope. ] 1. A device for giving shifting effects of color to a photograph. The unmounted print, made translucent, is illuminated from behind with colored light. [ Webster 1913 Suppl. ]

2. A combination of three optical lanterns for projecting objects on a screen in the colors of nature. The images of three partial photographs taken through color screens (red, green, and blue, respectively) are superimposed. Each image is given its own primary color, and these colors blend and reproduce the colors of the object. [ Webster 1913 Suppl. ]

n. [ Photo- + Gr. chrw^ma color + -type. ] A colored print made photomechanically. [ Webster 1913 Suppl. ]

v. t. To represent by a colored print made by any photomechanical process. [ Webster 1913 Suppl. ]

n. The art of making photochromotypes. [ Webster 1913 Suppl. ]