leucitoid

1 definition found

leucitoid - Collaborative International Dictionary of English v.0.48 :

  Leucitoid \Leu"ci*toid\ (l[=u]"s[i^]*toid), n. [Leucite + -oid.]
     (Crystallog.)
     The trapezohedron or tetragonal trisoctahedron; -- so called
     as being the form of the mineral leucite.
     [1913 Webster] Leuco