twinning : Idioms & Phrases


Polysynthetic twinning

  • repeated twinning of crystal lamellæ, as that of the triclinic feldspars.
Webster 1913

Repeated twinning

  • twinning of more than two crystals, or parts of crystals.
Webster 1913

Twinning axis, Twinning plane

  • . See the Note under Twin, n.
Webster 1913