àcid.
acid; sour; tart (having a sharp taste such as that of vinegar or a lemon)
Meaning & usage
acid; sour; tart (having a sharp taste such as that of vinegar or a lemon)
acid; acidic (pertaining to an acid)
acidic (containing a high proportion of silica)
acidic (having a pH less than 7)
Where this word comes from
Borrowed from Latin acidus (“sour, tart”).
acid (a food with a sharp taste)
acid (a substance which is capable of providing H⁺ ions to a base to form a salt)
acid; LSD
Where this word comes from
Borrowed from Latin acidus (“sour, tart”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.