mechanism
C1Formal, Academic, Technical
Definition
Meaning
A system of parts working together in a machine or a natural process; a means by which a result is brought about.
Any established procedure or system, whether physical, social, or psychological, used to achieve a specific outcome or respond to a situation.
Linguistics
Semantic Notes
Primarily a noun, but used metaphorically across disciplines. Avoids casual conversational use for simple tools (e.g., use 'part' or 'gadget' instead).
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling is identical.
Connotations
Equally formal and technical in both varieties.
Frequency
Slightly more frequent in American academic texts due to broader application in social sciences.
Vocabulary
Collocations
Grammar
Valency Patterns
mechanism for (doing) somethingmechanism by which...mechanism behind somethingVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Refers to formal processes for decision-making, e.g., 'a grievance mechanism' or 'a pricing mechanism'.
Academic
Central term in sciences and humanities describing causal processes, e.g., 'the mechanism of evolution' or 'a psychological coping mechanism'.
Everyday
Rare in casual talk. Might refer to a part of a machine, e.g., 'The clock's mechanism is broken.'
Technical
Precise description of interacting components in engineering, biology, or chemistry.
Examples
By Part of Speech
verb
British English
- The system is designed to mechanise the sorting process.
- They plan to mechanise the factory floor.
American English
- The system is designed to mechanize the sorting process.
- They plan to mechanize the factory floor.
adverb
British English
- The arm moved mechanically up and down.
- He answered mechanically, without thinking.
American English
- The arm moved mechanically up and down.
- He answered mechanically, without thinking.
adjective
British English
- The clockwork toy is purely mechanical.
- He gave a mechanical response.
American English
- The clockwork toy is purely mechanical.
- He gave a mechanical response.
Examples
By CEFR Level
- The toy has a simple mechanism inside.
- The door has a locking mechanism.
- The watch mechanism is very delicate.
- The company created a new mechanism for customer feedback.
- Scientists are studying the mechanism by which the virus enters cells.
- The treaty includes a dispute resolution mechanism.
- The brain has sophisticated defence mechanisms to protect itself from psychological trauma.
- The research elucidates the molecular mechanism underlying the drug's efficacy.
Learning
Memory Aids
Mnemonic
Think of a MECHANIC fixing the inner SYSTEM of a car – MECHANISM.
Conceptual Metaphor
PROCESSES ARE MACHINES (e.g., 'mechanisms of society', 'mechanisms of the mind').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'механизм' (direct cognate, correct). Avoid overusing for simple 'method' or 'way' (способ). In Russian, 'механизм' can sound more concrete/physical.
Common Mistakes
- Using 'mechanism' for a simple tool (e.g., 'a mechanism to open cans' – better: 'a device'). Incorrect preposition: 'mechanism of doing' (correct: 'mechanism for doing').
Practice
Quiz
In which sentence is 'mechanism' used correctly?
FAQ
Frequently Asked Questions
Yes, it is primarily used in formal, academic, and technical contexts. In everyday conversation, words like 'part', 'system', or 'way' are more common.
Absolutely. It is frequently used for abstract systems and processes, such as 'a defence mechanism', 'a market mechanism', or 'the mechanism of democracy'.
A 'machine' is a complete, often large, device. A 'mechanism' is the system of parts *inside* a machine that makes it work, or any similar system, even an abstract one.
It is a countable noun. You can have a mechanism, several mechanisms, or talk about the mechanism of something.
Collections
Part of a collection
Psychology Basics
B2 · 50 words · Fundamental concepts in human psychology.