mechanics

noun

me·​chan·​ics mi-ˈka-niks How to pronounce mechanics (audio)
plural in form but singular or plural in construction
1
: a branch of physical science that deals with energy and forces and their effect on bodies
2
: the practical application of mechanics to the design, construction, or operation of machines or tools
3
: mechanical or functional details or procedure
the mechanics of the brain

Examples of mechanics in a Sentence

the mechanics of running one's own online business

Word History

First Known Use

1612, in the meaning defined at sense 1

Time Traveler
The first known use of mechanics was in 1612

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Cite this Entry

“Mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mechanics. Accessed 9 Sep. 2025.

Kids Definition

mechanics

singular or plural noun
me·​chan·​ics mi-ˈkan-iks How to pronounce mechanics (audio)
1
: a science that deals with energy and forces and their effect on bodies
2
: the application of mechanics to the making or operation of machines
3
: the details of the way something works or is done
the mechanics of running

Medical Definition

mechanics

noun, plural in form but singular or plural in construction
me·​chan·​ics mi-ˈkan-iks How to pronounce mechanics (audio)
: a branch of physical science that deals with energy and forces and their effect on material bodies

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