union
noun
- act of uniting or joining two or more things into one
- operation in set theory; union (denoted by ∪) of a collection of sets is the set of all distinct elements in the collection
Wiktionary
Pronunciation: /ˈjuː.njən/ / /ˈjuː.ni.ən/
adj
Etymology: From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.
- Belonging to, represented by, or otherwise pertaining to a labour union.
“Actors have to be union to get work here.”
- federal.
“The union government of India”
name
Etymology: Clipping of Oxford Union.
- The Oxford Union (a debating society); not to be conflated with Oxford University Student Union (a students' union).
noun
Etymology: (locomotive): Derived from the name of the only U.S. company to use that configuration.
- The 0-10-2 locomotive wheel arrangement.
- The canton of the United States flag: the portion of the flag containing stars on a blue background.
verb
Etymology: From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.
- To combine sets using the union operation.