English pronunciation of “polyhedron”

polyhedron

uk How to pronounce polyhedron in British English
us How to pronounce polyhedron in American English
uk How to pronounce polyhedron in British English
us How to pronounce polyhedron in American English

(English pronunciations of “polyhedron” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)