prophylactic: Meaning and Definition of
pro•phy•lac•tic
Pronunciation: (prō"fu-lak'tik, prof"u-), [key]
— adj.
- defending or protecting from disease or infection, as a drug.
- preventive or protective.
—n.
- a prophylactic medicine or measure.
- a preventive.
- a device, usually a rubber sheath, used to prevent conception or venereal infection; condom.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.