interaction

Everyday

1. When two or more people or things act on each other, talk or work together. tree →
2. (science) The way two forces, chemicals or living things affect each other. tree →

In the lessons

In science: interactions between animals in a food web, or between chemicals in a reaction; in medicine, a drug interaction. In everyday life and school: social interaction, interaction with the teacher. In computing: interaction with a screen or game.

Examples

• Playing together is a good kind of interaction. tree →
• Bees and flowers have a helpful interaction. tree →
• The museum has many interactions you can touch. tree →
• Some medicines have a bad interaction. tree →
• There is lots of interaction between pupils in group work. tree →
• The game reacts to every interaction with the screen. tree →

Note

Countable. Verb: interact; adjective: interactive (as in interactive whiteboard). «Inter-» means between.