pentahedron

[ pen-tuh-hee-druh n ]
/ ˌpɛn təˈhi drən /

noun, plural pen·ta·he·drons, pen·ta·he·dra [pen-tuh-hee-druh] /ˌpɛn təˈhi drə/.

a solid figure having five faces.

Origin of pentahedron

First recorded in 1655–65; penta- + -hedron

OTHER WORDS FROM pentahedron

pen·ta·he·dral, adjective

British Dictionary definitions for pentahedron

pentahedron
/ (ˌpɛntəˈhiːdrən) /

noun plural -drons or -dra (-drə)

a solid figure having five plane faces See also polyhedron

Derived forms of pentahedron

pentahedral, adjective