preventive: Meaning and Definition of
pre•ven•tive
Pronunciation: (pri-ven'tiv), [key] — adj.
- of or noting a drug, vaccine, etc., for preventing disease; prophylactic.
- serving to prevent or hinder: preventive measures.
—n. - a drug or other substance for preventing disease.
- a preventive agent or measure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.