English pronunciation of “zero”

zero

uk How to pronounce zero number in British English
us How to pronounce zero number in American English
uk How to pronounce zero adjective in British English
us How to pronounce zero adjective in American English
us How to pronounce zero noun in American English
uk How to pronounce zero noun in British English

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