- a kind of gypsum found in transparent crystals
- a salt of selenous acid containing the divalent, negative radical SeO
Origin of seleniteClassical Latin selenites ; from Classical Greek sel?nit?s (lithos), literally , moon (stone) ; from sel?n?, the moon: once thought to wax and wane with the moon
Gypsum in the form of colorless clear crystals.
Origin of seleniteLatin sel&emacron;n&imacron;t&emacron;s, from Greek sel&emacron;n&imacron;t&emacron;s (lithos), moon (stone), selenite (so called because it was believed to wax and wane with the moon), from sel&emacron;n&emacron;, moon; see selenium.
(countable and uncountable, plural selenites)