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Synonyms for Unit (same or very similar meaning)

WordNet sense 1 (any division of quantity accepted as a standard of measurement or exchange):
unit of measurement

WordNet sense 2 (a single undivided natural thing occurring in the composition of something else):
building block

WordNet sense 3 (an organization regarded as part of a larger social group):
social unit

WordNet sense 4 (an assemblage of parts that is regarded as a single entity):

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