弱じゃく塩えん基きじゃくえんきMeanings1nounweak basechemistryChemistry term for a base that does not fully ionize in solution. Contrasts with 強塩基 (strong base).See also: 強塩基アンモニアは弱じゃく塩えん基きの代だい表ひょう例れいです。Ammonia is a typical example of a weak base.