acid

²acid

noun

Definition of ACID

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 \ˈa-sə-dē\ adjective

Examples of ACID

1. the acids in your stomach
2. the kinds of acid found in your stomach

First Known Use of ACID

1696

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

Rhymes with ACID

Chasid