Dictionary.com

cuprous

[ kyoo-pruhs, koo- ]
/ ˈkyu prəs, ˈku- /
Save This Word!

adjective
containing copper in the univalent state, as cuprous oxide, Cu2O.
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of cuprous

First recorded in 1660–70; cupr- + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use cuprous in a sentence

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.
FEEDBACK