AT RAMENTUM

(Lat.), n. n. A?t(aSt)-ra8-me%nt/u¢m(u4m), From ater, black. Gr., wéAav. Fr., atrament. Ink or any black liquid. In the middle ages it often denoted the philosopher's stone. [A, 318; B, 49.]—A. album. White vitriol (zinc sulphate). [B, 50.) —A, citrinum. Colcothar. [B, 50.]—A. his panicum. Vitriol, [B, 50.]—A. liberariuin. > A. scriptorium.—A. pictorium. Ink used for painting; made of sepia, ivory, or other substances. [B.]—A. rubrum. Red ink. [L, 119.]—A. scriptorium, A. seriptorum [Celsus]. Lit., black writing-ink; a solution of “ jet black ointment,” recommended b; eilppacra es to be applied toa fractured skull to aid in the detection of the line of fracture. [Nancrede (A, 63).|—A. sutorium. A solution of a copper salt, probably the sulphate, in water, mentioned by Pliny and Celsus, the latter of whom recommended it as a styptic; so called because it was used by shoemakers to blacken leather. [B, 45; L,41.]