Meaning of ACID in English

ACID

n.

Function: noun

Date: 1696

1 : a sour substance specifically : any of various typically water-soluble and sour compounds that in solution are capable of reacting with a base to form a salt, redden litmus, and have a pH less than 7, that are hydrogen-containing molecules or ions able to give up a proton to a base, or that are substances able to accept an unshared pair of electrons from a base

2 : something incisive, biting, or sarcastic <a social satire dripping with acid >

3 : LSD

– ac · idy \ ' a-s ə -d ē \ adjective

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.