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

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

“I’m a regular user of smelling salts, taking them for a boost of energy before every offensive drive,” he said.

From Los Angeles Times • Jan. 12, 2026

In the business of the worst moment, there may be unanimity, just as soon as the effects of the smelling salts and the large brandies kick in.

From BBC • Nov. 8, 2025

However, in a memo to their teams, obtained by the Associated Press,, external the NFL warned smelling salts also "have the potential to mask certain neurological signs and symptoms, including some potential signs of concussion".

From BBC • Aug. 6, 2025

To see it in person was just as shocking on my system as a whiff of smelling salts.

From "The City Beautiful" by Aden Polydoros