nȯrˈethə̇nˌdrōn, ˌnȯrethˈīn- noun
( -s )
Etymology: nor- + ethin yl + hy dr- + -one (as in progesterone )
: a synthetic progestational hormone C 20 H 26 O 2 used in oral contraceptives often in the form of its acetate
nȯrˈethə̇nˌdrōn, ˌnȯrethˈīn- noun
( -s )
Etymology: nor- + ethin yl + hy dr- + -one (as in progesterone )
: a synthetic progestational hormone C 20 H 26 O 2 used in oral contraceptives often in the form of its acetate
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012