Dictionary
di•ba•sic
Pronunciation: (dī-bā'sik), [key]—
adj. Chem.
1. containing two replaceable or ionizable hydrogen atoms:
dibasic acid.
2. having two univalent, basic atoms, as dibasic sodium phosphate, Na
2HPO
4.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.