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Word of the Day Tuesday, June 9, 2026

acid

/ˈæsɪd/ noun, verb · British & US
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What does acid mean?

noun, verb

A chemical substance that is typically sour to the taste and has a pH of less than 7. A strong or corrosive substance, especially one that is used in a particular industry or process.

Example

"The acid in the battery was leaking and needed to be replaced."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for acid

Antonyms of acid

Rhymes with acid

Etymologically related