interaction

US /ˌɪntɚˈækʃən/

UK /ˌɪntər'ækʃn/

A2

noun

  • Process of people or things affecting each other
  • Communication or direct involvement with someone or something.
  • The way in which two or more things have an effect on each other.
  • A type of action that occurs as one object acts upon another.

other

  • The activity of talking to other people, working together etc
  • An occasion when two or more things have an effect on each other
  • The process by which people act and react in relation to other people.