interaction

/ˌɪntərˈækʃən/
noun
  1. A situation in which two or more people or things communicate, engage, or affect each other.
    • The interaction of sunlight and water creates rainbows.
    • Social media allows for instant interaction between people across the globe.
    • The interaction between the teacher and the student helped clarify the lesson.
  2. A mutual or reciprocal action or influence.
    • In physics, the interaction of particles is studied to understand the universe.
    • The interaction between supply and demand determines the price of goods.
    • The interaction of different drugs can cause dangerous side effects.
What does "interaction" mean? | whatsthatwordmean | whatsthatwordmean