Meaning & use

hydrometer

noun·Advanced

An instrument used to measure the density or specific gravity of a liquid.

See it in a sentence

The brewer used a hydrometer to check the sugar content of the fermenting beer.

A hydrometer floats higher in denser liquids, which is how it gives its reading.

A note on using this word

Hydrometers are common in winemaking, brewing, and testing the acid in car batteries.

Words with a similar meaning

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