The difference between Alliance and Union

When used as nouns, alliance means the state of being allied, whereas union means the act of uniting or joining two or more things into one.

When used as verbs, alliance means to connect or unite by alliance, whereas union means to combine sets using the union operation.

check bellow for the other definitions of Alliance and Union

  1. Alliance as a noun (uncountable):

    The state of being allied.

    Examples:

    "matrimonial alliances; an alliance between church and state, or between two countries"

  2. Alliance as a noun (countable):

    The act of allying or uniting.

  3. Alliance as a noun (countable):

    A union or connection of interests between families, states, parties, etc., especially between families by marriage and states by compact, treaty, or league.

  4. Alliance as a noun (countable):

    Any union resembling that of families or states; union by relationship in qualities; affinity.

  5. Alliance as a noun (with the [[definite article]]):

    The persons or parties allied.

    Examples:

    "rfquotek Nicholas Udall"

  1. Alliance as a verb (obsolete):

    To connect or unite by alliance; to ally.

  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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