pentahedron

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌpɛntəˈhiːdrən/US:USA pronunciation: respellingUSA pronunciation: respelling(pen′tə hē′drən)


WordReference Random House Unabridged Dictionary of American English © 2026
pen•ta•he•dron  (pen′tə hē′drən),USA pronunciation n., pl. -drons, -dra (-drə).USA pronunciation 
  1. Mathematicsa solid figure having five faces.
  • penta- + -hedron 1655–65
pen′ta•he′dral, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
pentahedron / ˌpɛntəˈhiːdrən/ ( -drons, -dra / -drə/)
  1. a solid figure having five plane faces
    See also polyhedron
ˌpentaˈhedral
'pentahedron' also found in these entries (note: many are not synonyms or translations):
polyhedron

Forum discussions with the word(s) "pentahedron" in the title:


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