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hormone

Syllabification: (hor·mone)
Pronunciation: /ˈhôrˌmōn/

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Definition of hormone

noun

Physiology
  • a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
  • a synthetic substance with an effect similar to that of an animal or plant hormone.
  • (hormones) a person’s sex hormones as held to influence behavior or mood.

Derivatives

hormonal

Pronunciation: /hôrˈmōnl/

adjective

Origin:

early 20th century: from Greek hormōn, present participle of horman 'impel, set in motion'

hormone in other Oxford dictionaries

Definition of hormone in the British & World English dictionary