trapezohedronn.

/ˌtrapɪzə(ʊ)ˈhiːdrən/

/ˌtrapɪzə(ʊ)ˈhɛdrən/

Forms: Plural trapezohedra, trapezohedrons. Also 1800s trapezoedron, trapezihedron.

Etymology: < trapezo-, used as combining form of trapezium n., after tetrahedron, etc. Compare French trapezoèdre (Littré).

Geometry and Crystallography.

A solid figure whose faces are trapeziums or trapezoids; as the icositetrahedron or deltohedron, with 24 faces, and the trigonal trapezohedron, with 6.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > contained by quadrilaterals

trapezoid1704

trapezohedron1822

1822 P. Cleaveland Elem. Treat. Mineral. & Geol. (ed. 2) I. 361 Another form [in garnet] is a trapezoedron, or a solid presenting twenty four equal and similar, trapezoidal faces.

1828 N. Webster Amer. Dict. Eng. Lang. Trapezihedron, a solid bounded by twenty-four equal and similar trapeziums.

1847 Webster's Amer. Dict. Eng. Lang. Trapezohedron.

1895 N. Story-Maskelyne Crystallogr. vii. §257 The trigonal trapezohedron.

1895 N. Story-Maskelyne Crystallogr. vii. §274 The trapezohedra that occur on quartz belong to two correlative groups.

Derivatives

ˌtrapezoˈhedral adj. pertaining to or of the form of a trapezohedron.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > having faces of particular shape

trapezoidal1794

trapezoidiform1826

rhombohedric1830

pentagonal1837

trapezohedral1849

trigonal1878

1849 J. D. Dana U.S. Exploring Exped.: Geol. (1850) xvii. 628 Garnet in trapezohedral crystals.

1868 J. D. Dana Syst. Mineral. (ed. 5) 189 Quartz... Various trapezohedral forms... Many trapezohedrons in other positions.

1895 N. Story-Maskelyne Crystallogr. vii. §273 The trapezohedral tetartohedron.

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2022).

单词	trapezohedron
释义	trapezohedronn. /ˌtrapɪzə(ʊ)ˈhiːdrən//ˌtrapɪzə(ʊ)ˈhɛdrən/ Forms: Plural trapezohedra, trapezohedrons. Also 1800s trapezoedron, trapezihedron. Etymology: < trapezo-, used as combining form of trapezium n., after tetrahedron, etc. Compare French trapezoèdre (Littré). Geometry and Crystallography. A solid figure whose faces are trapeziums or trapezoids; as the icositetrahedron or deltohedron, with 24 faces, and the trigonal trapezohedron, with 6. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > contained by quadrilaterals trapezoid1704 trapezohedron1822 1822 P. Cleaveland Elem. Treat. Mineral. & Geol. (ed. 2) I. 361 Another form [in garnet] is a trapezoedron, or a solid presenting twenty four equal and similar, trapezoidal faces. 1828 N. Webster Amer. Dict. Eng. Lang. Trapezihedron, a solid bounded by twenty-four equal and similar trapeziums. 1847 Webster's Amer. Dict. Eng. Lang. Trapezohedron. 1895 N. Story-Maskelyne Crystallogr. vii. §257 The trigonal trapezohedron. 1895 N. Story-Maskelyne Crystallogr. vii. §274 The trapezohedra that occur on quartz belong to two correlative groups. Derivatives ˌtrapezoˈhedral adj. pertaining to or of the form of a trapezohedron. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > having faces of particular shape trapezoidal1794 trapezoidiform1826 rhombohedric1830 pentagonal1837 trapezohedral1849 trigonal1878 1849 J. D. Dana U.S. Exploring Exped.: Geol. (1850) xvii. 628 Garnet in trapezohedral crystals. 1868 J. D. Dana Syst. Mineral. (ed. 5) 189 Quartz... Various trapezohedral forms... Many trapezohedrons in other positions. 1895 N. Story-Maskelyne Crystallogr. vii. §273 The trapezohedral tetartohedron. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2022). < n.1822
随便看	to bring into a line to bring into contempt to bring into derision to bring into favour to bring into line to bring into play to bring into question to bring into relief to bring into repair to bring into the open to bring into the world to bring into use to bring into vogue to bring low to bring meat in one's mouth to bring meat in one'the mouth to bring of days to bring of life-day to bring of lifeday to bring of one's life-day to bring of one's lifeday to bring of, to bring out of, life or life's day to bring off to bring on to bring on a proof