acid

ACID noun

[ C,U ] uk/ˈæsɪd/ us
B2 one of several liquid substances with a pH of less than 7 that react with other substances, often burning or dissolving them

кислота
hydrochloric acid
acid adjective uk/ˈæsɪd/ us
(also acid ic, uk/əˈsɪdɪk/ us) containing acid , or having similar qualities to an acid

кислый
acid soil an acid smell/taste  acid remark/comment, etc
an unkind remark that criticizes someone

язвительное замечание/едкий комментарий и т. д.