Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The branch of physics that is concerned with the analysis of the action of forces on matter or material systems.
  • noun Design, construction, and use of machinery or mechanical structures.
  • noun The functional and technical aspects of an activity.

from The Century Dictionary.

  • noun The science which explains natural phenomena by depicting them with mathematical precision as dependent solely upon relations of motion.
  • noun The theory of machines.
  • noun The mathematical doctrine of the motions and tendencies to motion of particles and systems under the influence of forces and constraints; in a narrower sense, this doctrine as applied to systems of rigid bodies.

from the GNU version of the Collaborative International Dictionary of English.

  • noun That science, or branch of applied mathematics, which treats of the action of forces on bodies.
  • noun (Physiol.) that portion of physiology which has for its object the investigation of the laws of equilibrium and motion in the animal body. The most important mechanical principle is that of the lever, the bones forming the arms of the levers, the contractile muscles the power, the joints the fulcra or points of support, while the weight of the body or of the individual limbs constitutes the weight or resistance.
  • noun the principles of abstract mechanics applied to human art; also, the practical application of the laws of matter and motion to the construction of machines and structures of all kinds.
  • noun the principles governing the motion of bodies in orbit around other bodies under gravitational influence, such as artificial Earth satellites.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics The branch of physics that deals with the action of forces on material objects with mass
  • noun The design and construction of machines.
  • noun writing Spelling and punctuation.
  • noun operation in general; workings
  • noun Plural form of mechanic.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the branch of physics concerned with the motion of bodies in a frame of reference
  • noun the technical aspects of doing something

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin mechanicus, from Ancient Greek μηχανικός (mēkhanikos), from μηχανή (mēkhanē, "machine, tool")

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