- a system or structure of moving parts that performs some function, esp in a machine
- something resembling a machine in the arrangement and working of its parts
- any form of mechanical device or any part of such a device
- a process or technique, esp of execution: the mechanism of novel writing
- the ways in which psychological forces interact and operate
- a structure having an influence on the behaviour of a person, such as a defence mechanism
WordReference Random House Learner's Dictionary of American English © 2026
mech•an•ism /ˈmɛkəˌnɪzəm/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Mechanical Engineeringan assembly of moving parts performing a function:The alarm mechanism is jammed.
- the way or means by which an effect is produced:the language learning mechanism in the human brain.
- a procedure within an organization:What is the mechanism for adjusting the bylaws?
- Psychiatrya manner of behaving that helps one deal with the environment:His amnesia was a defense mechanism.
mech•an•ism
(mek′ə niz′əm),USA pronunciation n.
mech′a•nis′mic, adj.
- Mechanical Engineeringan assembly of moving parts performing a complete functional motion, often being part of a large machine;
linkage. - the agency or means by which an effect is produced or a purpose is accomplished.
- Mechanical Engineeringmachinery or mechanical appliances in general.
- Mechanical Engineeringthe structure or arrangement of parts of a machine or similar device, or of anything analogous.
- Mechanical Engineeringthe mechanical part of something;
any mechanical device:the mechanism of a clock. - routine methods or procedures;
mechanics:the mechanism of government. - mechanical execution, as in painting or music;
technique. - Philosophythe theory that everything in the universe is produced by matter in motion;
materialism. Cf. dynamism (def. 1), vitalism (def. 1). - Philosophy
- the view that all natural processes are explicable in terms of Newtonian mechanics.
- the view that all biological processes may be described in physicochemical terms.
- Psychiatrythe habitual operation and interaction of psychological forces within an individual that assist in interpreting or dealing with the physical or psychological environment.
- Greek mēchan(é̄) machine + Neo-Latin -ismus, Late Latin -isma -ism
- Neo-Latin mēchanismus; Late Latin mēchanisma a contrivance
- 1655–65
Collins Concise English Dictionary © HarperCollins Publishers::
mechanism /ˈmɛkəˌnɪzəm/ n
'mechanism' also found in these entries (note: many are not synonyms or translations):
action
- alarm clock
- automatic
- automatic exposure
- backlash
- Békésy
- biological clock
- bobsleigh
- bolt
- carrier
- cash register
- catch
- choke
- click
- clockwork
- control
- corkscrew
- cylinder
- defence
- defence mechanism
- delayed action
- delicate
- denial
- destruct
- detent
- dipper
- disk drive
- drive
- dynamism
- engage
- ERM
- escapement
- European Monetary System
- Exchange Rate Mechanism
- exploded view
- fetch
- firelock
- flying fox
- gear
- glass harmonica
- gunlock
- hair trigger
- hard drive
- headgear
- housing
- Huxley
- key
- keyhole
- label
- link