What does acid mean?

Looking for the meaning or definition of the word acid? Here's what it means.

Adjective Sour, sharp, or biting to the taste; tart; having the taste of vinegar. (figuratively) Sour-tempered. Of or pertaining to an acid; acidic. (music) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock. Noun A sour substance. (chemistry) Any of several classes of compound having the following properties:- Any of a class of water-soluble compounds, having sour taste, that turn blue litmus red, and react with some metals to liberate hydrogen, and with bases to form salts. Any compound that easily donates protons; a Brønsted acid Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid (slang) lysergic acid diethylamide (LSD) Find more words! 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What is the opposite of acid? Sentences with the word acid Words that rhyme with acid What is the plural of acid? What is the adverb for acid? What is the adjective for acid? What is the noun for acid? Translations for acid Nearby Definitions aciculite aciculiform aciculated aciculate acicularly acicularity ACID acidaemia acidaemias acidaemic acidaminuria acid anhydride 4-letter Words Starting With a ac aci