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单词 hexahedral
释义 hexahedral, a. Geom. and Cryst.|hɛksəˈhiːdrəl, -ˈhɛdrəl|
Also hexaedral.
[f. next + -al1.]
Of the form of a hexahedron; having six faces.
1800tr. Lagrange's Chem. I. 381 A salt crystallized in long hexaedral laminæ.1805–17R. Jameson Char. Min. (ed. 3) 206 Amphi-hexahedral [crystal], i.e. hexahedral in two senses, because by viewing the planes in two different directions, we obtain two six-sided surfaces.1811Pinkerton Petral. I. 325 Steatite, crystallised in hexahedral prisms.1828Stark Elem. Nat. Hist. II. 483 The Hexahedral or tessular form.
So hexaˈhedrical a. (in same sense).
1666Boyle Orig. Formes & Qual., Like the Chrystals of Salt-petre..long and Hexaedrical.1669Contn. New Exp. i. (1682) 103 If a Hexahedrical Bit be employed it will make the Cavity almost as cylindrical as can be desired.
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