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单词 hemihedral
释义

hemihedral

adjective

hemi·​he·​dral ˌhe-mi-ˈhē-drəl How to pronounce hemihedral (audio)
of a crystal
: having half the faces required by complete symmetry compare holohedral, tetartohedral

Word History

Etymology

hemi- + -hedron

First Known Use

1837, in the meaning defined above

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更新时间:2024/11/11 13:08:21