trapezohedron
(redirected from Antidipyramid)Also found in: Dictionary, Thesaurus.
trapezohedron
[trə¦pē·zō¦hē·drən] (crystallography)
An isometric crystal form of 24 faces, each face of which is an irregular four-sided figure. Also known as icositetrahedron; leucitohedron; tetragonal trisoctahedron.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.