argentous

from The Century Dictionary.

• Pertaining to or containing silver: applied to a compound which contains a larger proportion of silver than the corresponding argentic compound: as, argentous oxid, Ag₄O; argentic oxid, Ag₂O.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Chem.) Of, pertaining to, or containing, silver; -- said of certain silver compounds in which silver has a higher proportion than in argentic compounds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Of, pertaining to, or containing silver.
• adjective chemistry Of certain compounds, containing silver in a higher proportion than in argentic compounds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective relating to compounds in which silver is univalent