Definify.com
Webster 1913 Edition
Selenite
Sel′e-nite
,Noun.
 (Chem.) 
A salt of selenious acid. 
 Sel′e-nite
,Noun.
 [L. 
selenites
, Gr. [GREEK][GREEK][GREEK][GREEK] (sc. [GREEK][GREEK][GREEK]), from σελήνη 
the moon. So called from a fancied resemblance in luster or appearance to the moon.] (Min.) 
A variety of gypsum, occuring in transparent crystals or crystalline masses. 
Webster 1828 Edition
Selenite
SEL'ENITE
,Noun.
  Definition 2025
Selenite
Selenite
English
Noun
Selenite (plural Selenites)
-  (science fiction) An inhabitant of Luna, the moon of Terra.
-  1901, Wells, Herbert George, “The Selenite's Face”, in The First Men in the Moon:
- My first impression was of some clumsy quadruped with lowered head. Then I perceived it was the slender pinched body and short and extremely attenuated bandy legs of a Selenite, with his head depressed between his shoulders.
 
 
 -  
 
Synonyms
Hypernyms
Translations
inhabitant of the Moon — see Lunarian
Adjective
Selenite
selenite
selenite
English

Selenite (1)
Noun
selenite (countable and uncountable, plural selenites)
- (mineralogy) A soft, glassy form of gypsum (chemical formula CaSO4·2H2O).
 - (inorganic chemistry) The anion SeO32− derived from selenous acid; any salt or ester of selenous acid.
 
Translations
gypsum
Synonyms
- satin spar (1)
 
Derived terms
- cadmium selenite
 - sodium selenite