Definitions

1. noun

A substance that is capable of donating a proton (H+ ion) or accepting an electron pair, typically having a pH level below 7 and often being corrosive or irritating.

“The strong acid in the battery was causing damage to the car’s paint.”

2. verb

To make or become acidic, typically by reacting with oxygen or moisture.

“The metal started to acid in the presence of air, forming a layer of rust.”

3. adjective

Describing something that is having a pH level below 7 or is capable of donating a proton (H+ ion).

“Acid rain is a significant environmental concern, causing damage to forests and waterways.”