- The definition of interaction is an action which is influenced by other actions.
An example of interaction is when you have a conversation.
interaction definition by Webster's New World
action on each other; reciprocal action or effect
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- interactional adjective
interaction definition by American Heritage Dictionary
- a. The act or process of interacting.b. The state of undergoing interaction.
- Physics Any of four fundamental ways in which elementary particles and bodies can influence each other, classified as strong, weak, electromagnetic, and gravitational.