union

/ˈjuːnjən/

noun

  1. 1

    The act of uniting or joining two or more things into one.

  2. 2

    The state of being united or joined; a state of unity or harmony.

  3. 3

    That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.

  4. 4

    A trade union; a workers' union.

  5. 5

    An association of students at a university for social and/or political purposes; also in some cases a debating body.

  6. 6

    A joint or other connection uniting parts of machinery, such as pipes.

  7. 7

    The set containing all of the elements of two or more sets.

  8. 8

    The act or state of marriage.

  9. 9

    Sexual intercourse.

  10. 10

    A data structure that can store any of various types of item, but only one at a time.

  11. 11

    A large, high-quality pearl.

  12. 12

    An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse.

verb

  1. 1

    To combine sets using the union operation.

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