Antonyms for acid

Grammar : Adj, noun

Spell : as-id

Phonetic Transcription : ˈæs ɪd

Definition of acid

Origin : 1620s, "of the taste of vinegar," from French acide (16c.) or directly from Latin acidus "sour, sharp," adjective of state from acere "to be sour," from PIE root *ak- "sharp, pointed" (see acrid). Figurative use from 1775; applied to intense colors from 1916. Acid test is American English, 1892, from the frontier days, when gold was distinguished from similar metals by application of nitric acid. Acid rain is first recorded 1859 in reference to England.

adj bitter, sour in taste
adj having acidic, corrosive properties
adj bitter in words or behavior
noun lysergic acid diethylamide, lsd

Example sentences :

It is produced by the action of zinc-dust on the acid sulphite of soda.
Extract from : « Scientific American Supplement, No. 447, July 26, 1884 » by Various

Of acid it would take 60 times the weight of the gas, or nearly 76 tons.
Extract from : « Flying Machines » by W.J. Jackman and Thos. H. Russell

"Very nice," said Cleopatra, trying with all her over-amuleted heart, not to be acid.
Extract from : « It Happened in Egypt » by C. N. Williamson

The lead salts not soluble in ether were decomposed by acid.
Extract from : « Scientific American Supplement, No. 497, July 11, 1885 » by Various

Father was workin' on the acid, that's 'ow he got 'is pisoned-leg.
Extract from : « Strife (First Series Plays) » by John Galsworthy

That look was like the bite of acid that reveals the structure of crystal in metals.
Extract from : « The Martian Cabal » by Roman Frederick Starzl

The same was the case with a mixture of acid air and common air.
Extract from : « Experiments and Observations on Different Kinds of Air » by Joseph Priestley

Since the acid is heavy, some means of drawing it out of the bottle is necessary.
Extract from : « The Automobile Storage Battery » by O. A. Witte

Instead, pour it on the floor where the acid is most likely to be spilled.
Extract from : « The Automobile Storage Battery » by O. A. Witte

This will neutralize the acid and prevent it from rotting the wood.
Extract from : « The Automobile Storage Battery » by O. A. Witte

Synonyms for acid

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019