Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Capable of reacting with four molecules of a monobasic acid. Used of a base.
  • adj. Containing four replaceable hydrogen atoms. Used of an acid or acid salt.
  • n. An acid containing four replaceable hydrogen atoms.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. tetrabasic

from the GNU version of the Collaborative International Dictionary of English

  • adj. Capable of neutralizing four molecules of a monobasic acid; having four hydrogen atoms capable of replacement ba acids or acid atoms; -- said of certain bases.


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.