Polysynthetic twinning

(Min.)	repeated twinning, like that of the triclinic feldspar, producing fine parallel bands in alternately reversed positions.
	repeated twinning of crystal lamellæ, as that of the triclinic feldspars.

polysynthetic twinning

[¦päl·i·sin′thed·ik ′twin·iŋ] (crystallography) Repeated twinning that involves three or more individual crystals according to the same twin law and on parallel twin planes.

随便看

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。