Designed to keep something undesirable such as illness, harm, or accidents from occurring
A war initiated by one state, faction, etc., in anticipation of (suspected) hostile intentions on the part of another.
Custody of a person accused of a crime and awaiting trial; remand.
The imprisonment of a person with the aim of preventing them from committing further offenses or of maintaining public order
An approach to diplomacy which seeks specifically to prevent the start or escalation of violent conflict; the methods by which this is achieved.
Routine maintenance of a vehicle or other machine, intended to prevent problems from arising.
A preventive medicinal agent.
Either of the B-complex vitamins niacin and niacinamide; also called P-P factor.