Containing a radioactive element

• Of a radioactive element

Wiktionary Word definitions in Wiktionary
a. (context chemistry English) Containing uranium in lower valences than uranic compounds.

Wikipedia Word definitions in Wikipedia
For other meanings, see Uranus (disambiguation) . Uranous is the chemical term for the reduced tetrapositive cation of uranium that exhibits the valence U. It is one of the two common ionic states of uranium found in nature, the other being the oxidised ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Uranous \U"ra*nous\ ([=u]"r[.a]*n[u^]s), a. (Chem.) Pertaining to, or containing, uranium; designating those compounds in which uranium has a lower valence as contrasted with the uranic compounds.