(psychology) The understanding (typically developed during early infancy) that an object still exists even when it disappears from sight, or other senses.

a type of felt-tip pen used to create permanent water-resistant writing on a surface such as a writable DVD

A visa status which allows a person to reside indefinitely in a foreign country without acquiring citizenship in that country

(Marxism) The status of a revolutionary class where it continues to push for and achieve its interests despite the political dominance of those with opposing interests.

(video games) In turn-based games, the feature of an artificial intelligence opponent that allows it to evaluate and plan its moves even during another player's turn.

plural of permanent revolution

plural of permanent revolutionary

(communism) Of or pertaining to permanent revolution.

(communism) Synonym of Trotskyist

plural of permanent press