wəˈdeˌlīt, ˈwed ə lˌīt noun
( -s )
Etymology: Weddell sea, arm of southern Atlantic ocean in Antarctica + English -ite
: a mineral CaC 2 O 4 .2H 2 O consisting of hydrous oxalate of calcium that is polymorphous with whewellite and is found as tiny isolated crystals in mud at the bottom of the Weddell sea, Antarctica