chrysoberyl

[ kris-uh-ber-uhl ]

noun
  1. a mineral, beryllium aluminate, BeAl2O4, occurring in green or yellow crystals, sometimes used as a gem.

Origin of chrysoberyl

1
1350–1400; Middle English <Latin chrȳsoberyllus<Greek chrȳsobḗryllos, equivalent to chrȳso-chryso- + bḗryllosberyl

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use chrysoberyl in a sentence

British Dictionary definitions for chrysoberyl

chrysoberyl

/ (ˈkrɪsəˌbɛrɪl) /


noun
  1. a rare very hard greenish-yellow mineral consisting of beryllium aluminate in orthorhombic crystalline form and occurring in coarse granite: used as a gemstone in the form of cat's eye and alexandrite. Formula: BeAl 2 O 4

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