dibasicity

from The Century Dictionary.

• noun In chem., the character of being dibasic; the character of an acid as containing two atoms of hydrogen replaceable by a more basic or electropositive element or radical.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) The property or condition of being dibasic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry The property or condition of being dibasic.