See Also: Ethynyl(medicine)
ethynyl(dictionary)
ethynyl estradiol(medicine)

ethynyl (iou)



ethynyl noun. Also ethinyl. M20.
[from ETHYNE + -YL.]
The radical CHC. Usu. in comb.
Comb.: ethynyloestradiol a synthetic oestrogen with greater potency than oestradiol.