11 entries found for union. The first 10 are listed below.
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Main Entry: union
Pronunciation: yün-yn
Function: noun 1 a: an act or instance of uniting two or more things into one <the union of Scotland and England> <union of a man and woman in marriage> b: COMBINATION 1 <the union of science and technology to solve modern problems> 2 a: something (as a nation) formed by a combining of parts or members b: LABOR UNIONc: the mathematical set that contains all of the elements which are included in at least one of two or more sets <the union of the set {1, 2, 3} and the set {3, 4, 5} is the set {1, 2, 3, 4, 5}> 3: a device for connecting parts (as pipes)
[union illustration]