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(k), n.(Mach.) The step, or socket, in which the lower end of a millstone spindle runs. Ink n.[OE. enke, inke, OF. enque, F. encre, L. encaustum the purple red ink with which the Roman emperors signed their edicts, Gr. , fr. burnt in, encaustic, fr. to burn in. See Encaustic, Caustic.] 1. A fluid, or a viscous material or preparation of various kinds (commonly black or colored), used in writing or printing. Make there a prick with ink. Chaucer. Deformed monsters, foul and black as ink. Spenser. 2. A pigment. See India ink, under India. Ordinarily, black ink is made from nutgalls and a solution of some salt of iron, and consists essentially of a tannate or gallate of iron; sometimes indigo sulphate, or other coloring matter, is added. Other black inks contain potassium chromate, and extract of logwood, salts of vanadium, etc. Blue ink is usually a solution of Prussian blue. Red ink was formerly made from carmine (cochineal), Brazil wood, etc., but potassium eosin is now used. Also red, blue, violet, and yellow inks are largely made from aniline dyes. Indelibl Ink v. t.[imp. & p. p.Inked (kt); p. pr. & vb. n.Inking.] To put ink upon; to supply with ink; to blacken, color, or daub with ink. スポンサード リンク
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