polybasic

From poly- + basic.

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• Rhymes: -eɪsɪk

polybasic (comparative more polybasic, superlative most polybasic)

1. (chemistry, of an acid) containing two or more replaceable hydrogen atoms; see also polyprotic
2. (chemistry, of a salt) having two or more atoms of a univalent metal
3. (chemistry, of a base) Having two or more basic groups; see also polybase and polyprotic