hexahedraladj.
/hɛksəˈhiːdrəl//hɛksəˈhɛdrəl/ Geometry and Crystallography.
Of the form of a hexahedron; having six faces.
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the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > having number of faces > hexahedral
hexahedrical1666
hexahedral1800
1800 tr. E. J. B. Bouillon-Lagrange Man. Course Chem. I. 381 A salt crystallized in long hexaedral laminæ.
1811 J. Pinkerton Petralogy I. 325 Steatite, crystallised in hexahedral prisms.
1816 R. Jameson Treat. External Characters Minerals (ed. 2) 201 Amphi-hexahedral [crystal], that is to say, hexahedral in two senses, because by viewing the planes in two different directions, we obtain two six-sided surfaces.
1828 J. Stark Elements Nat. Hist. II. 483 The Hexahedral or tessular form.
Derivatives
ΘΚΠ
the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > having number of faces > hexahedral
hexahedrical1666
hexahedral1800
1666 R. Boyle Origine Formes & Qualities Like the Chrystals of Salt-petre..long and Hexaedrical.
1669 R. Boyle Contin. New Exper. Physico-mech. (1682) i. 103 If a Hexahedrical Bit be employed it will make the Cavity almost as cylindrical as can be desired.
This entry has not yet been fully updated (first published 1898; most recently modified version published online December 2020).
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adj.1666