a chemical substance that has a pH lower than 7 and can react with a base to form a salt, typically corrosive or sour-tasting.
Using acid: Examples
Take a moment to familiarize yourself with how "acid" can be used in various situations through the following examples!
Lemon juice is acidic due to the presence of citric acid.
Stomach acid helps in the digestion of food.
Battery acid is highly corrosive and can cause severe burns.
acid Synonyms and Antonyms
Phrases with acid
rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes
The effects of acid rain on the environment are devastating.
The acid test for any new technology is whether it can be easily adopted by the general public.
She has an acid tongue and often makes sarcastic comments.
Origins of acid
from Latin 'acidus', meaning 'sour'
Summary: acid in Brief
'Acid' [ˈæsɪd] refers to a chemical substance with a pH lower than 7 that can react with a base to form a salt. It is typically sour-tasting and corrosive. Examples include stomach acid, battery acid, and lemon juice. Phrases like 'acid rain' and 'acid test' use 'acid' to denote environmental harm and a rigorous test, respectively. 'Acid tongue' describes a sharp or critical way of speaking.