acid

From Wiktionary

acid is part of the Basic English 850.

Contents 1 Pronunciation 2 Noun 2.1 Antonyms 2.2 Related words 3 Adjective 3.1 Synonyms 3.2 Antonyms 3.3 See also

[change] Pronunciation

• IPA: /ˈæs.ɪd/
•  Audio (US)^{help, file}

[change] Noun

Singular acid

Plural acids

1. (chemistry) A liquid with a high number of hydrogen ions in it. It can burn things.

   Fruit often has a little acid in it.

   The acid burned the table.

   Acids taste sour but bases taste bitter.

[change] Antonyms

• alkaline
• base

[change] Related words

• acidic

[change] Adjective

Positive acid

Comparative more acid

Superlative most acid

1. Like an acid, from an acid, acidic.

   The factories nearby have made the lake more acid.

2. Tasting sour.
3. (figurative) Hurtful.

   Their acid comments are painful.

[change] Synonyms

• (acidic) acidic, harsh, caustic
• (sour) tart, bitter
• (hurtful) sharp, hurtful, critical

[change] Antonyms

• (acidic) base, basic, sweet
• (sour) sweet, salty
• (hurtful) pleasant, constructive

[change] See also

• chemistry
• Periodic Table of Elements
• taste
• pH