cuprite

[kyoo-prahyt, koo-]

noun

a mineral, cuprous oxide, Cu2O, occurring in red crystals and brown to black granular masses: an ore of copper.

Origin of cuprite

First recorded in 1840–50; cupr- + -ite¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cuprite

Historical Examples of cuprite

The most important cuprous compound is the oxide (Cu2O), which occurs in nature as ruby copper or cuprite.
An Elementary Study of Chemistry
William McPherson

British Dictionary definitions for cuprite

cuprite

noun

a red secondary mineral consisting of cuprous oxide in cubic crystalline form: a source of copper. Formula: Cu 2 O

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