adjunctionPronunciation: /əˈdʒʌŋkʃ(ə)n/Definition of adjunction noun [mass noun] 1 Mathematics the joining of two sets which without overlapping jointly constitute a larger set, or the relation between two such sets. 2 Logic the asserting in a single formula of two previously asserted formulae. Origin: late 16th century: from Latin adjunctio(n)-, from the verb adjungere (see adjoin)adjunction in other Oxford dictionaries Definition of adjunction in the US English dictionary
