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ac·id
 acid
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- pronunciation:
- ae
sihd
- parts of speech:
- noun, adjective
- features:
- Word Combinations (noun), Word Explorer, Word Parts
| part of speech: |
noun |
| definition 1: |
in chemistry, any of a group of substances that usu. dissolve in water, have a sour taste, and form salts in reaction with bases. (Cf. base.)
Vinegar contains an acid called acetic acid.Acids in the stomach begin to break down the food.- similar words:
- caustic, corrosive
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| definition 2: |
a substance that tastes sour.
- antonyms:
- sweet
- similar words:
- vinegar
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| definition 3: |
a scornful tone; sarcasm.
There was a great deal of acid in the speaker's remarks.- synonyms:
- acerbity, causticity, mordancy, sarcasm, sting
- similar words:
- acrimony, asperity, astringency, venom
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| definition 4: |
(slang) LSD.
- synonyms:
- LSD
- similar words:
- hallucinogen
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| related words: |
dope |
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| part of speech: |
adjective |
| definition 1: |
in chemistry, of or pertaining to an acid; acidic.
The teacher immersed the copper wire in the acid solution.- synonyms:
- acidic, caustic, corrosive, mordant
- antonyms:
- alkaline
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| definition 2: |
sour in taste.
The acid taste of the salad dressing was too much for me.- synonyms:
- acerbic, pungent, sour, tart, vinegary
- antonyms:
- sweet
- similar words:
- acerbate, acidic, acidulous, astringent, harsh, sharp
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| definition 3: |
scornful; sarcastic.
The actor made some acid remarks about the film's director.- synonyms:
- acerbic, acidulous, acrid, astringent, biting, mordant, sarcastic, scornful, sharp, vinegary, vitriolic
- antonyms:
- sweet
- similar words:
- caustic, ironic, pungent, sardonic, scathing, tart
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| related words: |
acrid, biting, cutting, spicy |
| derivations: |
acidly (adv.), acidness (n.) |
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