cuprous

[ kyoo-pruhs, koo- ]
/ ˈkyu prəs, ˈku- /

adjective

containing copper in the univalent state, as cuprous oxide, Cu2O.

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Origin of cuprous

First recorded in 1660–70; cupr- + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cuprous

British Dictionary definitions for cuprous

cuprous
/ (ˈkjuːprəs) /

adjective

of or containing copper in the monovalent state
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for cuprous

cuprous
[ kōōprəs, kyōō- ]

Containing copper, especially copper with a valence of 1. Compare cupric.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.