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1. | [ adjective ] tasting sour like acid | |
Synonyms: | acidulous acidulent | |
Related terms: | sour | |
2. | [ adjective ] (chemistry) being or containing an acid; (of a solution) having and excess of hydrogen atoms (having a pH of less than 7) | |
Related terms: | alkaline amphoteric chemistry acid-forming acid | |
Similar spelling: |
acetic Actis Actias |