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Definition of hormone noun from the Oxford Advanced Learner's Dictionary

hormone

noun
 
/ˈhɔːməʊn/
 
/ˈhɔːrməʊn/
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  1. [countable] a chemical substance produced in the body or in a plant that encourages growth or influences how the cells and tissues function; an artificial substance that has similar effects
    • growth hormones
    • a hormone imbalance
    • Oestrogen is a female sex hormone.
    • children who do not produce enough growth hormone
    see also stress hormoneTopics Bodyc1, Biologyc1
    Oxford Collocations Dictionaryadjective
    • female
    • male
    • growth
    verb + hormone
    • produce
    • release
    • secrete
    hormone + noun
    • production
    • therapy
    • treatment
    See full entry
    Word Originearly 20th cent.: from Greek hormōn, present participle of horman ‘impel, set in motion’.
See hormone in the Oxford Advanced American DictionarySee hormone in the Oxford Learner's Dictionary of Academic English
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