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action noun

  /ˈæk.ʃən/
  • (mathematics) A way in which each element of some algebraic structure transforms some other structure or set, in a way which respects the structure of the first. Formally, this may be seen as a morphism from the first structure into some structure of endomorphisms of the second; for example, a group action of a group G on a set S can be seen as a group homomorphism from G into the set of bijections on S (which form a group under function composition), while a module M over a ring R can be defined as an abelian group together with a ring homomorphism from R into the ring of group endomorphisms of M (which is also called the action of R on M).
де́йствие, а́кция, акт, возде́йствие, движе́ние, дея́ние
  • Something done, often so as to accomplish a purpose.
де́йствие, а́кция, акт, дея́ние, посту́пок
  • A way of motion or functioning.
  • (literature) The event or connected series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events.
де́йствие, возде́йствие, движе́ние
  • (legal) A charge or other process in a law court (also called lawsuit and actio).
иск
  • (military) Combat.
бой, сраже́ние

action interjection

  /ˈæk.ʃən/
  • Demanding or signifying the start of something, usually a performance.
на́чали
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