norgestimate

noun
nor·​ges·​ti·​mate | \ nȯr-ˈjes-tə-ˌmāt How to pronounce norgestimate (audio) \

Medical Definition of norgestimate

: a synthetic progestogen C23H31NO3 that is used in combination with an estrogen (as ethinyl estradiol) in birth control pills — see ortho tri-cyclen