Definition of tetrahedra Tetrahedra

We found 3 definitions of tetrahedra from 2 different sources.

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What does tetrahedra mean?

Wiktionary Wiktionary dictionary logo

  • tetrahedra (Noun)
    Plural of tetrahedron.

Part of speech

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WordNet

WordNet by Princeton University

Noun

Plural: tetrahedra

tetrahedron - any polyhedron having four plane faces
= synonym
= antonym
= related word

Wiktionary Wiktionary dictionary logo

Webster DictionaryWebster's Unabridged Dictionary 📘

  • tetrahedron (n.)
    A solid figure inclosed or bounded by four triangles.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

  • tetrahedron
    A polyhedron with four faces.

Chambers DictionaryChamber's 20th Century Dictionary 📕

  • tetrahedron
    tet-ra-hē′dron, n. a solid figure enclosed by four bases or triangles.—adjs. Tetrahē′dral, having four sides: bounded by four triangles; Tetrahexahē′dral.—n. Tetrahex′ahēdron, a solid of twenty-four triangular faces. [Gr., tetra-, four, hedra, a base.] Tetrahedron.

Wikipedia Wiktionary dictionary logo

  • A tetrahedron is a three dimensional shape. It has four corners. It looks like a pyramid. It has six equally long edges, four corners and four equilateral triangular faces. Every two edges meet on one of those corners forming a sixty-degree angle.

Part of speech

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Pronunciation

Sign Language

tetrahedra in sign language
Sign language - letter T Sign language - letter T Sign language - letter E Sign language - letter E Sign language - letter T Sign language - letter T Sign language - letter R Sign language - letter R Sign language - letter A Sign language - letter A Sign language - letter H Sign language - letter H Sign language - letter E Sign language - letter E Sign language - letter D Sign language - letter D Sign language - letter R Sign language - letter R Sign language - letter A Sign language - letter A

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