Word
interaction
Phoneticsin·ter·ac·tion, stress on the third syllable
US/ˌɪnɝˈækʃən/
UK/ˌɪntəɹˈækʃən/
Definitions
01social exchange
B2 · Upper Intermediate Countable noun
n. a conversation or an occasion where people communicate or spend time together.
n. the process by which people act and react in relation to others through communication or shared activity.
日本語:交流※
“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'.
Synonyms
02things affecting each other
B2 · Upper Intermediate Uncountable noun Science Academic · Technical
n. the way that two or more things have an effect on each other when they are put together.
n. 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.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “interaction” in context.
Verb
01. examine interaction
“Researchers need to examine the interaction between these two chemical compounds.”
verb + noun
02. investigate interaction
“The study aims to investigate the interaction between sleep patterns and mental health.”
verb + noun
Adjective
03. complex interaction
“The ecosystem relies on a complex interaction between various plant and animal species.”
adj + noun
04. direct interaction
“Online learning lacks the direct interaction found in a traditional classroom setting.”
adj + noun
05. dynamic interaction
“The success of the project was due to the dynamic interaction between the team members.”
adj + noun
06. significant interaction
“The data showed a significant interaction between the drug and the patient's diet.”
adj + noun
07. social interaction
“Playing team sports is a great way to improve your social interaction skills.”
adj + noun
Noun
08. human interaction
“Many people missed regular human interaction during the long periods of lockdown.”
noun + noun
09. interaction occur
“Scientists observed how the interaction occurs when the two substances are mixed.”
noun + verb
10. interaction direct
11. interaction homogeneous
Real-World Examples
“Anyone trying out a new medication should run it by their care provider to make sure there is no potential negative interaction with any other medications they use.” “The company expects AI to handle routine interactions while human agents move into more complex roles.” Etymology
Borrowed from Medieval Latin interāctiō.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
ADJECTIVE
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
- アルファベット
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QR code
englishreference.com/q/interaction
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0