Definition of pentahedron in English:

pentahedron

Translate pentahedron into Spanish

nounplural noun pentahedrons, plural noun pentahedra/-drə/

  • A solid figure with five plane faces.

    ‘Whereas the tetrahedron is composed of four triangles, the pyramid (or pentahedron), which looks a lot like it, is composed of four triangles and a square - the base.’
    • ‘You can also have an Egyptian pentahedron square-base pyramid.’
    • ‘Then the pyramids are cut by silhouettes into a set of pentahedrons, which together constitute the centripetal pentahedron model of the visual hull.’

Pronunciation

pentahedron

/ˌpen(t)əˈhēdrən/ /ˌpɛn(t)əˈhidrən/

Origin

Late 16th century from penta-‘five’ + -hedron, after modern Latin pentaedrum.