uranous

/ˈjʊrənəs/
adjective
  1. Relating to or containing uranium, especially in a lower oxidation state (such as uranium(IV)).
    • The lab tested the water for uranous ions to assess contamination from nearby mining.
    • Uranous salts are often green in color and are used in some industrial processes.
    • The chemist identified uranous compounds in the mineral sample from the old mine.
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