inflected forms: interacts; interacted; interacting
1 : to talk or do things with other people • They're quiet children who don't interact much. — often followed by with • She interacts with other children at nursery school.
2 : to act together : to come together and have an effect on each other — often followed by with • When these two drugs interact(with each other), the results can be deadly.
— interaction /ˌɪntɚˈækʃən/ noun, plural interactions [count] • social interactions • the interactions between the two drugs[noncount] • ways to encourage more interaction among children