(used with a singular verb) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics.
(used with a singular verb) the theoretical and practical application of this science to machinery, mechanical appliances, etc.
(usually used with a plural verb) the technical aspect or working part; mechanism; structure.
(usually used with a plural verb) routine or basic methods, procedures, techniques, or details: the mechanics of running an office; the mechanics of baseball.

1640–50; see mechanic, -ics Unabridged


a person who repairs and maintains machinery, motors, etc.: an automobile mechanic.
a worker who is skilled in the use of tools, machines, equipment, etc.
Slang. a person skilled in the dishonest handling of cards, dice, or other objects used in games of chance.

1350–1400; Middle English: mechanical < Latin mēchanicus < Greek mēchanikós, equivalent to mēchan() machine + -ikos -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
mechanic (mɪˈkænɪk)
1.  a person skilled in maintaining or operating machinery, motors, etc
2.  archaic a common labourer
[C14: from Latin mēchanicus, from Greek mēkhanikos, from mēkhanēmachine]

mechanics (mɪˈkænɪks)
1.  (functioning as singular) quantum mechanics wave mechanics See also statistical mechanics the branch of science, divided into statics, dynamics, and kinematics, concerned with the equilibrium or motion of bodies in a particular frame of reference
2.  (functioning as singular) the science of designing, constructing, and operating machines
3.  the working parts of a machine
4.  the technical aspects of something: the mechanics of poetic style

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1540s (adj.) "pertaining to or involving mechanical labor" (now usually mechanical), from L. mechanicus (n. and adj.), from Gk. mekhanikos "an engineer" (n.), also "resourceful, inventive," lit. "pertaining to machines" (adj.), from mekhane (see machine). The noun meaning
originally was "manual laborer" (late 14c.); sense of "one who is employed in manual labor, a handicraft worker, an artisan (chief sense through early 19c.) is attested from 1560s. The adj. meaning "of the nature of or pertaining to machines" is from 1620s; the noun sense of "skilled workman who is concerned with making or repair of machinery" is from 1660s, but not the main sense until the rise of the automobile.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

mechanics me·chan·ics (mĭ-kān'ĭks)

  1. The branch of physics concerned with the analysis of the action of forces on matter or material systems.

  2. The design, construction, and use of machinery or of mechanical structures.

  3. The functional and technical aspects of an activity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
mechanics  [%PREMIUM_LINK%]     (mĭ-kān'ĭks)  Pronunciation Key 
  1. The branch of physics concerned with the relationships between matter, force, and energy, especially as they affect the motion of objects. See also classical physics, quantum mechanics.

  2. The functional aspect of a system, such as the mechanics of blood circulation.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

mechanics definition

The branch of physics that deals with the motion of material objects. The term mechanics generally refers to the motion of large objects, whereas the study of motion at the level of the atom or smaller is the domain of quantum mechanics.

Note: The basic laws of mechanics are Newton's laws of motion.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
During the dry run work on mechanics: ask general questions to show the
  provided details don't help.
However, the mechanics of eating were a constant sore spot for the president.
His post-crash golf swing, recorded on film, is still used as an example of
  near-perfect ball striking and mechanics.
Mechanics, police say gas theft changing with times.
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