from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. containing two or more replaceable hydrogen atoms
- adj. having two or more atoms of a univalent metal
- adj. Having two or more basic groups; see also polybase
from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
from The Century Dictionary and Cyclopedia
- In chem., capable of combining with more than two univalent bases: as, polybasic acids or radicals.
Sorry, no etymologies found.