| 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. 1669― Contn. 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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