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pentahedron

Syllabification: (pen·ta·he·dron)
Pronunciation: /ˌpentəˈhēdrən/

Definition of pentahedron

noun (plural pentahedrons or pentahedra /-drə/)

  • a solid figure with five plane faces.

Derivatives

pentahedral

Pronunciation: /-drəl/

adjective

Origin:

late 18th century: from penta- 'five' + -hedron, on the pattern of words such as polyhedron

pentahedron in other Oxford dictionaries

Definition of pentahedron in the British & World English dictionary

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