Noun estrogen has 1 sense
  1. estrogen, oestrogen - a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
    --1 is a kind of steroid hormone, steroid, sex hormone
    --1 has particulars:
     diethylstilbestrol, diethylstilboestrol, stilbestrol, stilboestrol, DES; estradiol, oestradiol; estriol, oestriol; estrone, oestrone, theelin, Estronol; hexestrol; mestranol
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