Longman Dictionary of Contemporary English
smelling salts
noun
EXAMPLES FROM CORPUS
▪ It often worked like a dose of smelling salts.
▪ Otherwise you might have to apply the smelling salts.
The Collaborative International Dictionary
Smelling salts
Smelling salts \Smell"ing salts\ An aromatic preparation of carbonate of ammonia and, often, some scent, to avoid or relieve faintness, headache, or the like.
Wiktionary
smelling salts
n. (plural of smelling salt English)
WordNet
smelling salts
n. a pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness
Wikipedia
Smelling salts
Smelling salts, also known as ammonia inhalants, spirit of hartshorn or sal volatile, are chemical compounds used for arousing consciousness.
Smelling Salts (album)
Smelling Salts is the second album by the Alternative Country band Trailer Bride, the first on Bloodshot Records.