pentahedron
noun/ˌpentəˈhiːdrən/
/ˌpentəˈhiːdrən/
(geometry)- a solid shape with five flat sidesTopics Colours and Shapesc2Word Originlate 18th cent.: from penta- ‘five’ + -hedron, on the pattern of words such as polyhedron.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
pentahedron