1. the act of communicating, working, or being involved directly with someone or something
2. a situation where two or more objects or forces act upon one another
Usage: scientific

Examples

• The teacher encouraged more interaction between students during group work.
• Social media has changed the way we think about human interaction.
• The medication may cause dangerous interactions with alcohol.
• Scientists study the interaction between different chemicals in the lab.
• Customer interaction is a key part of good business service.
• The interaction between sunlight and water creates beautiful reflections.
• Online learning reduces face-to-face interaction with classmates.