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tetrahedron

Syllabification: (tet·ra·he·dron)
Pronunciation: /ˌtetrəˈhēdrən/
Definition of tetrahedron

noun (plural tetrahedra /-drə/ or tetrahedrons)

  • a solid having four plane triangular faces; a triangular pyramid.

Derivatives

tetrahedral

Pronunciation: /-drəl/
adjective

Origin:

late 16th century: from late Greek tetraedron, neuter (used as a noun) of tetraedros 'four-sided'

tetrahedron in other Oxford dictionaries

Definition of tetrahedron in the British & World English dictionary

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