coloring+matter
81color — [kul′ər] n. [ME & OFr colour < L color < OL colos, orig., a covering < IE base * kel , to conceal, hide > HULL1, HALL] 1. the sensation resulting from stimulation of the retina of the eye by light waves of certain lengths 2. the… …
82dye — [dī] n. [ME deie < OE deag, akin to OHG tougal, dark, secret < IE * dhwek , dark color, secret < base * dheu : see DULL] 1. color produced in a substance by saturating it with a coloring agent; tint; hue 2. any substance used to give… …
83bleaching clay — noun an adsorbent clay that will remove coloring from oils • Syn: ↑bleaching earth • Hypernyms: ↑mud, ↑clay * * * noun or bleaching earth : an adsorbent clay or earth (as activated clay) used for removing the coloring mat …
84chlo|ro|phyl — chlo|ro|phyll or chlo|ro|phyl «KLR uh fihl, KLOHR », noun. the green coloring matter of plants. In the presence of light it makes carbohydrates, such as starch and sugar, from carbon dioxide and water, a process called photosynthesis. Chlorophyll …
85chlo|ro|phyll — or chlo|ro|phyl «KLR uh fihl, KLOHR », noun. the green coloring matter of plants. In the presence of light it makes carbohydrates, such as starch and sugar, from carbon dioxide and water, a process called photosynthesis. Chlorophyll usually… …
86pig|ment — «PIHG muhnt», noun, verb. –n. 1. a coloring matter, especially a powder or some easily pulverized dry substance. Paint and dyes are made by mixing pigments with oil, water, or some other liquid. »A remarkably white pigment, titanium dioxide,… …
87ver|mil|ion — «vuhr MIHL yuhn», noun, adjective, verb. –n. 1. a bright red. 2. a) a bright red coloring matter consisting of mercuric sulfide; cinnabar. b) any one of various other bright red coloring matters. –adj. bright red; scarlet: »The black strokes of… …
88Chromule — Chro mule, n. [Gr. ? color + ? matter.] (Bot.) A general name for coloring matter of plants other than chlorophyll, especially that of petals. [1913 Webster] …
89Mordant — Mor dant, n. [F., originally, biting.] 1. Any corroding substance used in etching. [1913 Webster] 2. (Dyeing & Calico Printing) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves… …
90Stain — (st[=a]n), v. t. [imp. & p. p. {Stained} (st[=a]nd); p. pr. & vb. n. {Staining}.] [Abbrev. fr. distain.] 1. To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood. [1913… …
