hemitrope

from The Collaborative International Dictionary of English v.0.48

Hemitrope \Hem"i*trope\, a. [Hemi- + Gr. ? to turn: cf. F.
   h['e]mitrope.]
   Half turned round; half inverted; (Crystallog.) having a
   twinned structure.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hemitrope \Hem"i*trope\, n.
   That which is hemitropal in construction; (Crystallog.) a
   twin crystal having a hemitropal structure.
   [1913 Webster]

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