American English

Definition of mechanism noun from the Oxford Advanced American Dictionary



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  1. 1a set of moving parts in a machine that performs a task a delicate watch mechanism The mechanism for locking the door of the washing machine is childproof.
  2. 2a method or a system for achieving something mechanisms for dealing with complaints from the general public The college has established an effective student support mechanism.
  3. 3a system of parts in a living thing that together perform a particular function the balance mechanism in the ears Pain acts as a natural defense mechanism.
See the Oxford Advanced Learner's Dictionary entry: mechanism

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