D defs.my
Entry 1 sense Webster, 1913

Selenious

· Se·le·ni·ous · IPA
01 a. Of, pertaining to, or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contraste…
  1. 1.
    Of, pertaining to, or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contrasted with selenic compounds.(Chem.)