universal vs coupling

coupling vs universal

universal and coupling both are nouns.

universal is an adjective but coupling is not an adjective.

Word	Noun	Adjective	Verb	Adverb
universal	Yes	Yes	No	No
coupling	Yes	No	No	No

As nouns, coupling is a hypernym of universal; that is, coupling is a word with a broader meaning than universal:

universal: coupling that connects two rotating shafts allowing freedom of movement in all directions
coupling: a mechanical device that serves to connect the ends of adjacent objects

Other hypernyms of universal include coupler.

universal (noun)	coupling (noun)
coupling that connects two rotating shafts allowing freedom of movement in all directions	the act of pairing a male and female for reproductive purposes
a behavioral convention or pattern characteristic of all members of a particular culture or of all human beings	a mechanical device that serves to connect the ends of adjacent objects
(logic) a proposition that asserts something of all members of a class	a connection (like a clamp or vise) between two things so they move together
(linguistics) a grammatical rule (or other linguistic feature) that is found in all languages

universal (adjective)	coupling (adjective)
adapted to various purposes, sizes, forms, operations
of worldwide scope or applicability
applicable to or common to all members of a group or set

Difference between universal and coupling

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