- Mineralogy. a variety of gypsum, found in transparent crystals and foliated masses.
- Chemistry. a salt of selenious acid.
Origin of selenite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for selenite
At a glance I had recognised the sparkling scales of the selenite.The Scalp Hunters
The image of the film of selenite most beautifully coloured.The Boy's Playbook of Science
John Henry Pepper
Large crystals of selenite (sulphate of lime) occur in the Marls.The Geological Story of the Isle of Wight
J. Cecil Hughes
Selenite, in all probability, was not used in pre-Spanish times.A Study of Pueblo Architecture: Tusayan and Cibola
Victor Mindeleff and Cosmos Mindeleff
But suppose a Selenite to be six times smaller than a man like us!All Around the Moon
- a colourless glassy variety of gypsum
C17: via Latin from Greek selēnitēs lithos moonstone, from selēnē moon; so called because it was believed to wax and wane with the moon