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

  • adj. Of or containing cobalt, especially with valence 2.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Containing cobalt in oxidation state 2.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence.

from The Century Dictionary and Cyclopedia

  • Pertaining to or of the nature of cobalt; consisting of or derived from cobalt: specifically applied to compounds in which the cobalt atom appears to be combined as a dyad element.


cobalt +‎ -ous (Wiktionary)



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