What is the meaning of Mechanism in bengali?

Meaning(s):

1. the atomic process that occurs during a chemical reaction
2. the technical aspects of doing something
3. a natural object resembling a machine in structure or function
4. (philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes
5. device consisting of a piece of machinery
6. has moving parts that perform some function
7. प्रक्रिया = process a mechanism of social control / mechanisms of communication
8. रचनातंत्र mechanism of communication.
9. यंत्रविन्यास These automatic cameras have a special focusing mechanism.