tetrahedron


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tetrahedron

tet·ra·he·dron

 (tĕt′rə-hē′drən)
n. pl. tet·ra·he·drons or tet·ra·he·dra (-drə)
A polyhedron with four faces.

[Greek tetraedron, from neuter of tetraedros, four-faced : tetra-, tetra- + -hedros, sided; see -hedron.]

tetrahedron

(ˌtɛtrəˈhiːdrən)
n, pl -drons or -dra (-drə)
1. (Mathematics) a solid figure having four plane faces. A regular tetrahedron has faces that are equilateral triangles. See also polyhedron
2. (Mathematics) any object shaped like a tetrahedron
[C16: from New Latin, from Late Greek tetraedron; see tetra-, -hedron]
ˌtetraˈhedral adj
ˌtetraˈhedrally adv

tet•ra•he•dron

(ˌtɛ trəˈhi drən)

n., pl. -drons, -dra (-drə).
1. a solid contained by four plane faces; a triangular pyramid.
2. any of various objects resembling a tetrahedron.
[1560–70; < Late Greek tetráedron]

tet·ra·he·dron

(tĕt′rə-hē′drən)
A three-dimensional geometric figure with four triangular faces.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetrahedron - any polyhedron having four plane facestetrahedron - any polyhedron having four plane faces
polyhedron - a solid figure bounded by plane polygons or faces
Translations
tetràedre
čtyřstěn
tetraedri
tetraèdretétraèdre
tetraéder
三角錐四面体
tetraeder

tetrahedron

[ˈtetrəˈhiːdrən] N (tetrahedrons, tetrahedra (pl)) [ˌtetrəˈhiːdrə]tetraedro m

tetrahedron

nTetraeder nt
References in periodicals archive ?
Jorgensen of Yale University USA receives 2015 Tetrahedron Prize for his outstanding contributions to Organic Chemistry
VIA 57 West is Bjarke Ingels first commission in the United States and the tetrahedron design includes an interior courtyard and 31-story residential building into a striking new architectural form on New York City's skyline.
The airport also will be repairing its 1942 tetrahedron, which indicates the direction of the wind, Anthony said.
Manufacture and supply of Werbextras (give-aways) to support the personalwerblichen speech of young women and men at public fairs and other events personalwerblichen the Bundeswehr in the 2015thTo be offered item (this includes sunglasses, shoulder bag, sports / travel bag, backpack (camo), marker set on edge, mouse pad, ballpoint pen, fruit jelly tetrahedron, terry towel, T-shirt (Men / Women), nail file, duck, watch, Multi function tool, metal ball pen, power bank, screen cleaner, InEarKopfhE[micro]rerset, cloth bag, Spitzer (double sharpener), eraser, lip balm, Lanyard, Wrist Watch in olive green, ball lollipop, twist ball pen, ballpoint pen with stylus and LED lamp) are closer in the context of specifications / a product catalog specified.
Debby Mountford, Head of Student Support, said: "A particular highlight was watching the pupils successfully build a 15ft tetrahedron in the school hall.
A tetrahedron is represented in Figure 1 as an illustration.
They consists of five different shapes: tetrahedron, cube, octahedron, dodecahedron and icosahedron.
Barka: With a view to enhancing geometrical thinking, students of the German University of Technology in Oman (GUtech) have built a large paper tetrahedron (pyramid shape) at the amphitheatre of the university over the past few weeks.
But the key outcome of the synthesis, recently published in Tetrahedron Letters, is that it is now straightforward to make grams of Quebecol, allowing more rigorous tests of its potential bioactivity.
Other topics include recent developments and open problems in linear series, invariants of hypersurfaces and logarithmic differential forms, lines crossing a tetrahedron and the Bloch group, some degenerations of G2 and Calabi-Yau varieties, and Shur function expansions of Thom polynomials.
2+] occurred at the position of B2, the tetrahedron size could be increased mostly on the account of a weak bond with the O4 atom.
Supercooled liquid water must become ice at minus 48 C (minus 55 F) not just because of the extreme cold, but because the molecular structure of water changes physically to form tetrahedron shapes, with each water molecule loosely bonded to four others, according to the new study by University of Utah chemists Valeria Molinero and Emily Moore.