Wikipedia
Usage examples of "ethinyl".
Gillian watched the burnp and grind of the machines measuring out the active ingredients: levonorgestrel and ethinyl estradiol.
Because ethinyl estradiol is not metabolized in the liver the way natural estradiol is, it hangs around in the body far longer.
The results of many studies in laboratory animals and cell cultures have confirmed that estrone, equilin, estradiol, and ethinyl estradiol can all cause cancer in endometrial and breast tissue.
The conjugated estrogens, the Premarin, the estradiol, the ethinyl estradi-ol, they've all found their way into Seth's diet cola.