Word
kinetics
Phoneticski·net·ics, stress on the second syllable
US/kəˈnɛtɪks/
UK/kɪnˈɛtɪks/
Definition
n. the study of how fast a chemical reaction happens. It looks at the speed of the reaction and what factors, like temperature or pressure, affect it.
n. the branch of physical chemistry concerned with the rates of chemical reactions and the mechanisms by which they occur.
Examples
“The kinetics of the reaction are very fast.”
“Scientists are studying the kinetics of the new catalyst to see if it can speed up the industrial process.”
“Understanding the kinetics of a reaction is essential for optimizing industrial yields, as it allows engineers to predict how quickly a process will reach equilibrium under specific conditions.”
Examples
simple
“The kinetics of the reaction are very fast.”
contextual
“Scientists are studying the kinetics of the new catalyst to see if it can speed up the industrial process.”
complex
“Understanding the kinetics of a reaction is essential for optimizing industrial yields, as it allows engineers to predict how quickly a process will reach equilibrium under specific conditions.”
Real-World Examples
“The scientific basis for contact time can be traced to nineteenth- and twentieth-century studies of mass transfer and extraction kinetics.” Etymology
From Ancient Greek κινητικός (kinētikós, “kinetic”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
ADJECTIVE
Domain
- 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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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QR code
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