Noah Webster
Hemitrope
HEM'ITROPE, adjective [Gr. half, and to turn.] Half-turned; a hemitrope crystal is one in which one segment is turned through half the circumference of a circle. The word is used also as a noun.
HEM'ITROPE, adjective [Gr. half, and to turn.] Half-turned; a hemitrope crystal is one in which one segment is turned through half the circumference of a circle. The word is used also as a noun.