单词	euhedral
释义	euhedral /juːˈhiːdr(ə)l / adjective Geology (Of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form, not constrained by adjacent minerals.During crystallization of the derivative granite, minor secondary zircon grew around the older cores, resulting in euhedral crystal forms of all the grains.... Some biotite crystals form perfectly euhedral plates, others show a reaction rim rich in opaque granules towards the surrounding microfelsitic base. Titanite occurs as up to 2 cm long, dark brown, euhedral crystals in textural equilibrium with the other minerals.
随便看	heliotype Heliozoa heliozoan helipad heliport heli-ski heli-skier heli-skiing helium helix he'll hell hella hellacious hellaciously Helladian Helladic hell afloat hellandite Hellas hellbender hell-bent hell-born hell box hell-bred

英语词典包含243303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。