hor ‧ mone /ˈhɔːməʊn $ ˈhɔːrmoʊn/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Language: Greek ; Origin: hormon , from horman 'to cause to move around' ]
a chemical substance produced by your body that influences its growth, development, and condition
—hormonal /hɔːˈməʊn ə l $ hɔːrˈmoʊ-/ adjective :
hormonal changes