noun
- a chemical compound that contains two replaceable hydrogen atoms or two acidic groups
Usage: chemistry; technical
adjective
- having two replaceable hydrogen atoms or two acidic groups; capable of donating two protons
Usage: chemistry; technical
Examples
- Sulfuric acid is a diacid because it can donate two hydrogen ions.
- Oxalic acid is a common diacid found in plants.
- The diacid compound reacted with two moles of base in the titration.
- Malonic acid is a diacid used in organic synthesis.
- Diacid molecules have two carboxylic acid groups.