birth-control pill

[ burth-kuh n-trohl ]
/ ˈbɜrθ kənˌtroʊl /


an oral contraceptive for women, containing the hormones estrogen and progesterone or progesterone alone, that inhibits ovulation, fertilization, or implantation of a fertilized ovum, causing temporary infertility.

Origin of birth-control pill

First recorded in 1955–60 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019