What is the meaning of Acid?

Sour, sharp, or biting to the taste; tart; having the taste of vinegar.

Sour-tempered.

Of or pertaining to an acid; acidic.

Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

A sour substance.

  1. Any compound which yields H+ ions (protons) when dissolved in water; an Arrhenius acid.
  2. Any compound that easily donates protons to a base; a Brønsted acid.
  3. Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid.

Any compound which yields H+ ions (protons) when dissolved in water; an Arrhenius acid.

Any compound that easily donates protons to a base; a Brønsted acid.

Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid.

Any corrosive substance.

LSD, lysergic acid diethylamide.

acid

LSD, lysergic acid diethylamide.

acid.

acid, acidic

acid

acid

acid

Source: wiktionary.org