weak acid
Chemistry term for an acid that does not fully dissociate in solution.
酢酸は弱酸の一種です。
Acetic acid is a type of weak acid.
弱酸と強酸の違いを説明してください。
Please explain the difference between a weak acid and a strong acid.
slight acidity; weakly acidic
Compound of 弱 (じゃく, 'weak') and 酸 (さん, 'acid').