a white powder, Li2O, with strong alkaline properties: used in ceramics and glass.
Also called lithia.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for lithium oxide
a white crystalline compound. It absorbs carbon dioxide and water vapour
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