n.
Pronunciation: ' se-l ə - ˌ n ī t
Function: noun
Etymology: Middle English selinete, from Latin selenites, from Greek sel ē nit ē s ( lithos ), literally, stone of the moon, from sel ē n ē ; from the belief that it waxed and waned with the moon
Date: 15th century
: a variety of gypsum occurring in transparent crystals or crystalline masses