Definition of “hormone” - English Dictionary

british dictionary

“hormone” in British English

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hormonenoun [ C ]

uk /ˈhɔː.məʊn/ us /ˈhɔːr.moʊn/

any of various chemicals made by living cells that influence the development, growth, sex, etc. of an animal and are carried around the body in the blood:

male and female hormones
growth hormones

(Definition of “hormone” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“hormone” in American English

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hormonenoun [ C ]

us /ˈhɔr·moʊn/

biology any of various chemicals in the body that are carried by the blood and that influence the body’s growth and how it works

(Definition of “hormone” from the Cambridge Academic Content Dictionary © Cambridge University Press)