弱碱 ruòjiǎn weak base Origin Definitions Defs Strokes Stroke Words Sentences Sents 弱 ruò adjective weak weak; feeble; lacking in power or ability碱 鹼 jiǎn base; alkali (chemistry) a substance that can react with an acid to form a salt, such as a compound that releases hydroxide ions in water, accepts protons, or donates electron pairs