cuprite

[ kyoo-prahyt, koo- ]
/ ˈkyu praɪt, ˈku- /

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. 2019

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British Dictionary definitions for cuprite

cuprite
/ (ˈkjuːpraɪt) /

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