tetrahedron

Hello, you have come here looking for the meaning of the word tetrahedron. In DICTIOUS you will not only get to know all the dictionary meanings for the word tetrahedron, but we will also tell you about its etymology, its characteristics and you will know how to say tetrahedron in singular and plural. Everything you need to know about the word tetrahedron you have here. The definition of the word tetrahedron will help you to be more precise and correct when speaking or writing your texts. Knowing the definition oftetrahedron, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

English Wikipedia has an article on:
Wikipedia
A rotating tetrahedron

Alternative forms

Etymology

From Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”). By surface analysis, tetra- +‎ -hedron.

Pronunciation

  • enPR: tĕtrəhē'drən, IPA(key): /tɛtɹəˈhiːdɹən/
  • Audio (US)(file)
  • Audio (UK)(file)

Noun

tetrahedron (plural tetrahedrons or tetrahedra)

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

Derived terms

Translations

Wikious
Boobota
Sagapedia