smelling salts

noun

(used with a plural verb)

1. a preparation for smelling, essentially of ammonium carbonate with some agreeable scent, used as a stimulant and restorative.

smelling salts

plural noun

1. a pungent preparation containing crystals of ammonium carbonate that has a stimulant action when sniffed in cases of faintness, headache, etc

Word History and Origins

Origin of smelling salts¹

First recorded in 1830–40