pH meter

noun

: an apparatus for measuring the strength or the amount of acid present in a mixture or solution

called also acidimeter

Word History

First Known Use

1932, in the meaning defined above

Time Traveler

The first known use of pH meter was in 1932

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Browse Nearby Words

phlyctenula

pH meter

Phnom Penh

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Cite this Entry

Style

“PH meter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pH%20meter. Accessed 31 Oct. 2025.

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