Rock-salt; a mass of rock-salt.

A substance, known chemically as sodium chloride (NaCl), very abundant in nature both in solution and in crystalline form, and extensively…

Native chloride of sodium; rock-salt.

Old Chemistry. Particular substances of this class are distinguished by defining words (cf. sal, n.1); e.g. †salt ammoniac (= sal ammoniac, n.), †esse…

Common salt (sodium chloride) occurring naturally as, or obtained mechanically from, a mineral deposit. Cf. halite, n.

†(a) rock-salt; (b) rock impregnated with salt.

Sodium chloride, as used in homeopathy and alternative medicine. Abbreviated natrum m. (also mur., muriat.).

rock-salt = sal-gem, n.

Rock salt.

salt in small crystals, typically discoloured by soot, obtained in the evaporation of brine by applying a flame directly to the surface.