Leucitoid
Pronunciation : Leu"ci*toid
Part of Speech : n.
Etymology : [Leucite + -oid.] (Crystallog.)
Definition : Defn: The trapezohedron or tetragonal trisoctahedron; -- so called as being the form of the mineral leucite.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder