Mechanism (noun)

1. A system, machine, or device consisting of interrelated parts with separate functions, used to produce a specified effect.
2. A process, technique, or system for producing a desired result.
3. The way in which a natural or technical process occurs or operates.

Origin:

The word 'mechanism' originated from the greek word 'mēkhanē' meaning 'machine or engine.'.

Examples:

1. The mechanism of the clock was complex, with many interrelated gears and springs.
2. The mechanism by which the drug worked was not fully understood by the scientists.
3. The mechanism of photosynthesis was explained in the science class.
4. The voting mechanism at the elections was secure and transparent.
5. The mechanism for launching the rocket was tested several times before the actual launch.