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universal (n.)(linguistics) a grammatical rule (or other linguistic feature) that is found in all languages;
Synonyms: linguistic universal
universal (n.)(logic) a proposition that asserts something of all members of a class;
Synonyms: universal proposition
universal (n.)a behavioral convention or pattern characteristic of all members of a particular culture or of all human beings;
some form of religion seems to be a human universal
universal (n.)coupling that connects two rotating shafts allowing freedom of movement in all directions;
in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps
Synonyms: universal joint