smelling salts
From Longman Dictionary of Contemporary EnglishRelated topics: Hospitalsmelling saltsˈsmelling salts noun [plural] MHa strong-smelling chemical that you hold under someone’s nose to make them conscious again when they have faintedExamples from the Corpussmelling salts• It often worked like a dose of smelling salts.• Otherwise you might have to apply the smelling salts.