Tetrahedra

Word TETRAHEDRA
Character 10
Hyphenation N/A
Pronunciations N/A

Definitions and meanings of "Tetrahedra"

What do we mean by tetrahedra?

A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.

Synonyms and Antonyms for Tetrahedra

  • Synonyms for tetrahedra
  • Tetrahedra synonyms not found!!!
  • Antonyms for tetrahedra
  • Tetrahedra antonyms not found!

The word "tetrahedra" in example sentences

Lowell Gilbert @ 13, kid bitzer @ 15 -- Remember that the tetrahedral shape is that of the four bonds of the carbon atom; the implied tetrahedra are connected tip-to-tip, not solidly packed. ❋ Unknown (2010)

“Clay” as a mineral refers to a “cousin” of micas; that is, a silicate mineral containing structural sheets of silica tetrahedra tetrahedral arrangements of one Si and 4 Oxygen atoms, with the Oxygen atoms at the 4 corners. ❋ Unknown (2009)

Five points form the vertices of two regular tetrahedra, joined on a common face situated in the horizontal plane. ❋ Unknown (2007)

In sheet silicates, each silicate tetrahedron is joined at 3 corners to other tetrahedra in sheet form. ❋ Unknown (2009)

Each of the 3 corners “shares” an oxygen atom with other tetrahedra, giving a ratio in the formula of 1 Si to 2.5 O, or Si2O5. ❋ Unknown (2009)

In the case of chrysotile, an octahedral brucite layer having the formula (Mg6O4 (OH) 4) -4 is intercalated between each silicate tetrahedra sheet. ❋ Unknown (2007)

As with all silicate minerals, the basic building blocks of asbestos fibers are the silicate tetrahedra which may occur as double chains (Si4O11) -6, as in the amphiboles, or in sheets (Si4O10) -4, as in chrysotile. ❋ Unknown (2007)

The crystalline structure common to amphibole minerals consists of two ribbons of silicate tetrahedra placed back to back. ❋ Unknown (2007)

Between craters the basalt was strewn in small tetrahedra, with angles rubbed and rounded, stone tight to stone like tesseract upon ❋ Thomas Edward (2003)

There were even stranger shapes, exploiting almost every possibility of geometry - bizarre, translucent kites, tetrahedra, spheres, polyhedra, tangles of twisted ribbons ... ❋ Clarke, Arthur C. (1987)

There were even stranger shapes, exploiting almost every possibility of geometry -- bizarre, translucent kites, tetrahedra, spheres, polyhedra, tangles of twisted ribbons. ❋ Clarke, Arthur C. (1982)

The two groups are not closely allied in composition, though both titanium and tin have in common the five intersecting tetrahedra at their respective centres. ❋ Annie Wood Besant (1890)

In this case the funnels radiate from a central globe, formed of two intersecting tetrahedra, with "cigars" at each point enclosing a four-atomed globe. ❋ Annie Wood Besant (1890)

The central globe, with its two "cigar" - bearing tetrahedra, need not delay us; the tetrahedra are set free and follow the occultum disintegration, and the central four atoms is the sodium cross that we had in titanium. ❋ Annie Wood Besant (1890)

Molybdenum presents us with only two new forms, and these are merely four-atomed tetrahedra, occurring in pairs as object and image. ❋ Annie Wood Besant (1890)

We are still among tetrahedra, so have to do with four funnels, but each funnel contains three rings, and each ring three ovoids; on the proto level ❋ Annie Wood Besant (1890)

It is worthy of notice that in diatomic elements _four_ funnels open on the faces of tetrahedra; in triatomic, _six_ funnels on the faces of cubes; in tetratomic, _eight_ funnels on the faces of octahedra. ❋ Annie Wood Besant (1890)

_ -- A flat star, with five interpenetrating tetrahedra in the centre, is the characteristic of neon and its allies (4 on Plate IV) leaving apart helium, which, as may be seen by referring to 3, Plate IV, has an entirely different form. ❋ Annie Wood Besant (1890)

The globe, _e_, is a new form, the four tetrahedra of the proto level making a single twelve-atomed one on the meta. ❋ Annie Wood Besant (1890)

TIN (Plate XVI, 3) repeats the funnel of germanium, and the central globe we met with in titanium, of five intersecting tetrahedra, carrying twenty ❋ Annie Wood Besant (1890)

Cross Reference for Tetrahedra

  • Tetrahedra cross reference not found!

What does tetrahedra mean?

Best Free Book Reviews
Best IOS App Reviews