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Wiktionary
sex hormone

n. testosterone in men and estrogen in women and their related hormones involved in puberty, arousal, sex drive

WordNet
sex hormone

n. any hormone affecting the development and growth of sex organs [syn: steroid hormone, steroid]

Usage examples of "sex hormone".

And to complete my birthing of you as a man, I've modified your sex hormone, alpha androstenol, to attract a woman I know of among the Foke.