tetrahedridadj.

/tɛtrəˈhiːdrɪd/

/tɛtrəˈhɛdrɪd/

Etymology: Formed as tetrahedral adj. + -id suffix².

Crystallography.

= tetrahedral adj. 2.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > conical > pyramidal > tetrahedral

tetrahedral1794

tetrahedrical1860

tetrahedric1890

tetrahedrid1895

tetrahedroid1899

1895 N. Story-Maskelyne Crystallogr. 208 Tetrahedrid mero~symmetry. The second case of holo-systematic hemi-symmetry, in which every normal is represented by a single face, is that [etc.].

1895 N. Story-Maskelyne Crystallogr. 206, 207, 210.

This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2018).

单词	tetrahedrid
释义	tetrahedridadj. /tɛtrəˈhiːdrɪd//tɛtrəˈhɛdrɪd/ Etymology: Formed as tetrahedral adj. + -id suffix². Crystallography. = tetrahedral adj. 2. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > conical > pyramidal > tetrahedral tetrahedral1794 tetrahedrical1860 tetrahedric1890 tetrahedrid1895 tetrahedroid1899 1895 N. Story-Maskelyne Crystallogr. 208 Tetrahedrid mero~symmetry. The second case of holo-systematic hemi-symmetry, in which every normal is represented by a single face, is that [etc.]. 1895 N. Story-Maskelyne Crystallogr. 206, 207, 210. This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2018). < adj.1895
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