/skap"euh luyt'/ , n.
1. any of a group of minerals of variable composition, essentially silicates of aluminum, calcium, and sodium, occurring as massive aggregates or tetragonal crystals.
2. the member of the scapolite group intermediate in composition between meionite and marialite; wernerite.
[ 1795-1805; Skapolith. See SCAPE, -O-, -LITE ]