from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of, or containing bismuth in its lower valence.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of, or containing, bismuth, when this element has its lower valence.

from The Century Dictionary and Cyclopedia

  • In chem., combined with bismuth as a triad: as, bismuthous oxid, Bi2O3.


Sorry, no etymologies found.


  • The facility with which it reduces alkaline cupric, argentic, bismuthous, ferric, mercuric salts, indigo and potassic picrate and chromate solutions has been utilized for the preparation of several ready methods for its determination.

    Scientific American Supplement, No. 611, September 17, 1887


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