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polybasic a. 多堿的 多鹼的 Polybasic \Pol`y*ba"sic\, a. [Poly- basic.] (Chem.)
Capable of neutralizing, or of combining with, several molecules of a monacid base; having several hydrogen atoms capable of being replaced by basic radicals; -- said of certain acids; as, sulphuric acid is polybasic. [1913 Webster]
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