Meaning of ACID in English

■ noun

1》 a substance (typically, a corrosive or sour-tasting liquid) with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals.

2》 Chemistry any molecule able to donate a proton or accept electrons in reactions.

3》 informal the drug LSD.

■ adjective

1》 containing or having the properties of an ~; having a pH of less than 7.

2》 sharp-tasting or sour.

3》 (of remarks) bitter or cutting.

4》 Geology & Metallurgy rich in silica.


~ification noun

~ify verb ( ~ifies , ~ifying , ~ified ).

~ly adverb

~y adjective


C17: from L. ~us , from acere 'be sour'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.