from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any polybasic acid
- adj. polybasic
from the GNU version of the Collaborative International Dictionary of English
- adj. Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases.
from The Century Dictionary and Cyclopedia
- In chem., of a base, equivalent in combining capacity to an acid radical of valence greater than unity.
From poly- + acid (Wiktionary)