# interaction

/ˌɪnɝˈækʃən/ (US) · /ˌɪntəɹˈækʃən/ (UK)

Source: https://englishreference.com/word/interaction
Updated: 2026-06-19

## Senses

### 1. social exchange

noun · CEFR B2

a conversation or an occasion where people communicate or spend time together.

For teachers: the process by which people act and react in relation to others through communication or shared activity.

- The teacher encouraged more interaction between the students during the group project.
- The workshop was designed to facilitate meaningful interaction between department heads who rarely had the opportunity to collaborate in person.

Usage: Often used with the preposition 'between' or 'with'.

### 2. things affecting each other

noun · CEFR B2 · Academic · Technical

the way that two or more things have an effect on each other when they are put together.

For teachers: the reciprocal action or influence of two or more objects, substances, or forces upon each other.

- Scientists are studying the interaction between the two chemicals to see if they are dangerous.
- The complex interaction between rising sea temperatures and atmospheric pressure systems has led to increasingly unpredictable weather patterns in the region.

Usage: Commonly used in scientific and academic contexts to describe cause-and-effect relationships.

## Examples

- The interaction between the two students is very friendly.
- Online learning platforms often lack the face-to-face interaction that helps students stay motivated during difficult lessons.
- The study examines the complex interaction between genetic predispositions and environmental factors in determining long-term health outcomes for urban populations.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.