Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Language: Greek
Origin: hormon, from horman 'to cause to move around'

hormone

 noun
     
Related topics: Biology
hor‧mone [countable]
HB a chemical substance produced by your body that influences its growth, development, and condition
—hormonal adjective:
hormonal changes
Definition from the Longman Dictionary of Contemporary English
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