acid
acid noun, adjectiveBrE /ˈæsɪd/
NAmE /ˈæsɪd/
noun
word origin
example bank1 [uncountable, countable] (chemistry) a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven. The hydrogen can be replaced by a metal to form a salt. Acids are usually sour and can often burn holes in or damage things they touch. 
compare alkali see also acetic acid, amino acid, ascorbic acid, citric acid, hydrochloric acid, lactic acid, nitric acid, nucleic acid, sulphuric acid 2 [uncountable] (slang) = LSD adjective word origin
synonyms example bank
Rye is tolerant of poor, acid soils. compare alkaline 2 that has a bitter sharp taste 
souracid fruit 3 (of a person's remarks) critical and unkind sarcastic, cuttingan acid wit
sour
