smelling salts

American  

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.

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smelling salts British  

plural noun

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

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Etymology

Origin of smelling salts

First recorded in 1830–40

Example Sentences

The hydration break arrived and it wasn't liquid that the underdogs needed, it was oxygen, smelling salts, large brandies.

From BBC • Jun. 25, 2026

It's the stuff of smelling salts and stretchers.

From BBC • May 9, 2026

The noted Roman naturalist and historian was indeed an early expert in fermentation, yet he also wrote about “sal ammoniac” — yes, smelling salts — in his encyclopedic work “Natural History,” published in 79 A.D.

From Los Angeles Times • Jan. 12, 2026

These days, the Federal Aviation Administration requires that U.S. airlines carry smelling salts onboard in case a pilot needs to be awakened after fainting.

From Los Angeles Times • Jan. 12, 2026

In the bedroom, women were holding smelling salts under her nose.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey