polybasic

[ pol-ee-bey-sik ]

adjective

, Chemistry.

1. (of an acid) having two or more atoms of replaceable hydrogen.

polybasic

/ ˌpɒlɪˈbeɪsɪk /

adjective

1. (of an acid) having two or more replaceable hydrogen atoms per molecule

polybasic

/ pŏl′ē-bā′sĭk /

1. Of or relating to an acid that has two or more hydrogen atoms per molecule that can be replaced by basic atoms or radicals.

Other Words From

• pol·y·ba·sic·i·ty [pol-ee-bey-, sis, -i-tee], noun

Word History and Origins

Origin of polybasic¹

First recorded in 1835–45; poly- + basic

Example Sentences

For polybasic acids, the ratio would have the form demanded by the rule given p. 94.

From Project Gutenberg

Acids of greater basicity than unity are frequently termed polybasic.

From Project Gutenberg