Permanent

Permanent used as an adjective usually means that something will stay for a long time or at least 45 minutes. Its opposite is temporary. Permanent may also mean other things.

Permanent is a mathematics function used in working with Matrix theory.
A permanent wave is a hair style.
In the card game, Magic: The Gathering, a permanent is any card that is put into play and stays there.

This disambiguation page lists articles that are about something that can be called Permanent.
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