from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any dibasic acid

from the GNU version of the Collaborative International Dictionary of English

  • adj. Divalent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. dibasic, a., and biacid.

from The Century Dictionary and Cyclopedia

  • Capable of saturating two molecules of a monobasic acid: applied to certain hydroxids and basic oxids.


Sorry, no etymologies found.


  • The company makes diacid, a chemical ingredient used in nylon, the secret for which it says was stolen by a government-backed rival.

    NYT > Home Page

  • The primary species of bound UCB in our models were: undissociated diacid for phosphatidylcholine, dianion for dodecyl maltoside micelles and cyclodextrins, and both monoanions and dianion for sodium taurocholate.

    BioMed Central - Latest articles


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  • Also biacid.

    July 5, 2010