ethynodiol e·thy·no·di·ol (ě-thī’nə-dī’ôl’, -ōl’)
A semisynthetic steroid having similar biophysiological effects as progesterone and administered with an estrogen as an oral contraceptive.
[e-thahyn-l] /ɛˈθaɪn l/ adjective, Chemistry. 1. containing the . ethynyl e·thy·nyl (ě-thī’nĭl, ěth’ə-) n. The univalent hydrocarbon radical HC[bond3]C derived from acetylene.
[e-thahyn-l-ey-shuh n] /ɛˌθaɪn lˈeɪ ʃən/ noun, Chemistry. 1. the process of introducing the ethynyl group into a compound.
noun, Chemistry. 1. the univalent group HC=C−, derived from acetylene.
1. extraterrestrial intelligence.