smelling salts
noun/ˈsmelɪŋ sɔːlts/, /ˈsmelɪŋ sɒlts/
/ˈsmelɪŋ sɔːlts/
[plural]- a chemical with a very strong smell, kept in a small bottle, used especially in the past for putting under the nose of a person who has become unconscious
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smelling salts