Acid meaning

What does “acid” mean? Definitions, examples, synonyms and opposites.

“acid” is a noun and adjective with 5 meanings. Its most common meaning is: any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt.

acid

noun

any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
street name for lysergic acid diethylamide
Synonymsback breaker battery-acid dose dot Elvis loony toons Lucy in the sky with diamonds pane

adjective

harsh or corrosive in tone
“an acerbic tone piercing otherwise flowery prose”
“a barrage of acid comments”
Synonymsacerb acerbic acrid bitter blistering caustic sulfurous sulphurous
being sour to the taste
Synonymsacidic acidulent acidulous
having the characteristics of an acid
“an acid reaction”

Source: WordNet 3.1, Princeton University

More about “acid”

✦Synonyms for acid