Simple Definition of mechanism
: a piece of machinery : a mechanical part or group of parts having a particular function
: a process or system that is used to produce a particular result
: a way of acting, thinking, or behaving that helps or protects a person in a specified way
Full Definition of mechanism
1 a : a piece of machinery b : a process, technique, or system for achieving a result
3 : a doctrine that holds natural processes (as of life) to be mechanically determined and capable of complete explanation by the laws of physics and chemistry
4 : the fundamental processes involved in or responsible for an action, reaction, or other natural phenomenon — compare defense mechanism
Examples of mechanism in a sentence
The camera's shutter mechanism is broken.
Scientists are studying the body's mechanisms for controlling weight.
There is no mechanism in place for enforcing the new law.
a legal mechanism to prevent lobbyists from exerting unfair influence
psychological mechanisms for dealing with a tragic loss
First Known Use of mechanism
MECHANISM Defined for Kids
Definition of mechanism for Students
1 : a piece of machinery
2 : the parts by which a machine operates <the mechanism of a watch>
3 : the parts or steps that make up a process or activity <the mechanism of government>
Medical Definition of mechanism
1: a piece of machinery
2a: a bodily process or function <the mechanism of healing>b: the combination of mental processes by which a result is obtained <psychological mechanisms>
3: the fundamental physical or chemical processes involved in or responsible for an action, reaction, or other natural phenomenon
Seen and Heard
What made you want to look up mechanism? Please tell us where you read or heard it (including the quote, if possible).