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Added 9 October 2026

ester

/ˈɛstɚ/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about ester at Wordnik → Where our words come from →

Organic compound formed by reaction between an acid and an alcohol with elimination of water.

Origin

Borrowed from German Ester, possibly a blend of Essig + Äther. See ether for more.

From Wiktionary, via Kaikki.org (CC BY-SA)

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