Sal (săl), n. [L. See Salt.] (Chem. & Pharm.) Salt.
Sal absinthii(Old Chem.), an impure potassium carbonate obtained from the ashes of wormwood (Artemisia Absinthium). — Sal acetosellæ(Old Chem.), salt of sorrel. — Sal alembroth. (Old Chem.) See Alembroth. — Sal ammoniac(Chem.), ammonium chloride, NH4Cl, a white crystalline volatile substance having a sharp salty taste, obtained from gas works, from nitrogenous matter, etc. It is largely employed as a source of ammonia, as a reagent, and as an expectorant in bronchitis. So called because originally made from the soot from camel's dung at the temple of Jupiter Ammon in Africa. Called also muriate of ammonia. — Sal catharticus(Old Med. Chem.), Epsom salts. — Sal culinarius(Old Chem.), common salt, or sodium chloride. — Sal Cyrenaicus. (Old Chem.) See Sal ammoniac above. — Sal de duobus, Sal duplicatum(Old Chem.), potassium sulphate; — so called because erroneously supposed to be composed of two salts, one acid and one alkaline. — Sal diureticus(Old Med. Chem.), potassium acetate. — Sal enixum(Old Chem.), acid potassium sulphate. — Sal gemmæ(Old Min.), common salt occuring native. — Sal Jovis(Old Chem.), salt tin, or stannic chloride; — the alchemical name of tin being Jove. — Sal Martis(Old Chem.), green vitriol, or ferrous sulphate; — the alchemical name of iron being Mars. — Sal microcosmicum(Old Chem.) See Microcosmic salt, under Microcosmic. — Sal plumbi(Old Chem.), sugar of lead. — Sal prunella. (Old Chem.) See Prunella salt, under 1st Prunella. — Sal Saturni(Old Chem.), sugar of lead, or lead acetate; — the alchemical name of lead being Saturn. — Sal sedativus(Old Chem.), sedative salt, or boric acid. — Sal Seignette [F. seignette, sel de seignette] (Chem.), Rochelle salt. — Sal soda(Chem.), sodium carbonate. See under Sodium. — Sal vitrioli(Old Chem.), white vitriol; zinc sulphate. — Sal volatile. (a) (Chem.) See Sal ammoniac, above. (b) Spirits of ammonia.