English Dictionary

acid

/ˈæs.ɪd/

noun

A sour substance. / 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.

She spilled the acid on her clothes.

意味（1）

A sour substance.

意味（2）

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

意味（3）

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

意味（4）

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

意味（5）

(uncountable, slang) LSD, lysergic acid diethylamide.

In the end, though, there is one sure way to distinguish a real hippie from his assorted sympathizers: hippies drop acid. That is, real hippies frequently, if irregularly, ingest LSD.