[sel-uh-nahyt, si-lee-nahyt]

Origin of selenite

1560–70; < Latin selēnītēs < Greek selēnī́tēs líthos moonstone; see Selene, -ite1
Related formssel·e·nit·ic [sel-uh-nit-ik] /ˌsɛl əˈnɪt ɪk/, sel·e·nit·i·cal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for selenite

Historical Examples of selenite

British Dictionary definitions for selenite


  1. a colourless glassy variety of gypsum

Word Origin for selenite

C17: via Latin from Greek selēnitēs lithos moonstone, from selēnē moon; so called because it was believed to wax and wane with the moon
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