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selenite

[ sel-uh-nahyt, si-lee-nahyt ]
/ ˈsɛl əˌnaɪt, sɪˈli naɪt /
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noun
Mineralogy. a variety of gypsum, found in transparent crystals and foliated masses.
Chemistry. a salt of selenious acid.
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Origin of selenite

1560–70; <Latin selēnītēs<Greek selēnī́tēs líthos moonstone; see Selene, -ite1

OTHER WORDS FROM selenite

sel·e·nit·ic [sel-uh-nit-ik], /ˌsɛl əˈnɪt ɪk/, sel·e·nit·i·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use selenite in a sentence

British Dictionary definitions for selenite

selenite
/ (ˈsɛlɪˌnaɪt) /

noun
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
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