a gem distinguished for its beauty and rarity, used in jewelry.
Origin of precious stone
Middle English word dating back to 1250–1300
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for precious stone
any of certain rare minerals, such as diamond, ruby, sapphire, emerald, or opal, that are highly valued as gemstones
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