An indication of how long a sunscreen remains effective when applied to the skin.

plural of sun protection factor

Clothing, helmets, goggles, and other garments and equipment designed to protect the wearer's body from injury or infection.

(electricity) A device, usually a fuse, polyfuse, or circuit breaker, intended to detect and stop an overcurrent condition.

(informal, derogatory) The Sonny Bono Copyright Term Extension Act.

(history) Synonym of Berlin Wall (from the perspective of East Germany).

The state or condition of being protected, or the degree to which something is protected.

(archaic) second-person singular simple past form of protect