English · Science & Technology
acid
/ˈæs.ɪd/
[/ˈæs.ɪd/]
sour corrosive substance
Intermediatenoun
Definition
A chemical substance with a sour taste that can react with and dissolve some materials.
Example
Lemon juice is a mild acid, which is why it tastes so sharp and sour.
Lemon juice is a mild acid, which is why it tastes so sharp and sour.
Etymology
From Latin 'acidus' (sour), from 'acere' (to be sour).
How & Where It’s Used
Contrasted with a base; ranges from mild food acids to dangerous strong ones.