The difference between Intersection and Union

When used as nouns, intersection means the junction of two (or more) paths, streets, highways, or other thoroughfares, whereas union means the act of uniting or joining two or more things into one.

Union is also verb with the meaning: to combine sets using the union operation.

check bellow for the other definitions of Intersection and Union

  1. Intersection as a noun:

    The junction of two (or more) paths, streets, highways, or other thoroughfares.

  2. Intersection as a noun (geometry):

    The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).

  3. Intersection as a noun (set theory):

    The set containing all the elements that are common to two or more sets.

  4. Intersection as a noun (sports):

    The element where two or more straight lines of synchronized skaters pass through each other.[http://www.isu.org/vsite/vcontent/content/transnews/0,10869,4844-128590-19728-18885-295370-3787-4771-layout160-129898-news-item,00.html]

  5. Intersection as a noun (category theory):

    The pullback of a corner of monics.

  1. Union as a noun (countable):

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

  2. Union as a noun (uncountable):

    The state of being united or joined.

  3. Union as a noun (countable):

    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. Union as a noun (countable):

    A trade union; a workers' union.

  5. Union as a noun (countable):

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

  6. Union as a noun (countable):

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

  7. Union as a noun (countable, set theory):

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

  8. Union as a noun (countable):

    The act or state of marriage.

  9. Union as a noun (uncountable, archaic, euphemistic):

    Sexual intercourse.

  10. Union as a noun (countable, programming):

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

  11. Union as a noun (countable, now, _, rare, archaic):

    A large, high-quality pearl.

  12. Union as a noun (historical):

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

  1. Union as a verb:

    To combine sets using the union operation.

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