phosphorous

adjective

Of, relating to, or containing phosphorus, especially with valence 3 or a valence lower than that of a comparable phosphoric compound.

Pertaining to, obtained from, or containing phosphorus.

adjective

Of or pertaining to phosphorus; resembling or containing phosphorus; specifically, designating those compounds in which phosphorus has a lower valence as contrasted with phosphoric compounds.

adjective

Of or pertaining to phosphorus.

adjective

Resembling phosphorus.

adjective

Of relating to or containing trivalent phosphorus.

adjective

containing or characteristic of phosphorus