American English

Definition of hormone noun from the Oxford Advanced American Dictionary



jump to other results
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 Estrogen is a female sex hormone.
adjective [usually before noun] the hormonal changes occurring during pregnancy
See the Oxford Advanced Learner's Dictionary entry: hormone

Other results

All matches