verb [V] ~ (with sb)
1 to communicate with sb, especially while you work, play or spend time with them:
Teachers have a limited amount of time to interact with each child. * The only thing he interacts with is his computer!
2 if one thing interacts with another, or if two things interact, the two things have an effect on each other:
Perfume interacts with the skin's natural chemicals.
interaction sth(:
the interaction between performers and their audience * the interaction of bacteria with the body's natural chemistry
