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Definition of "armature" []

  • Electricity The rotating part of a dynamo, consisting essentially of copper wire wound around an iron core. (noun)
  • Electricity The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker. (noun)
  • Electricity A piece of soft iron connecting the poles of a magnet. (noun)
  • Biology A protective covering, structure, or organ of an animal or a plant, such as teeth, claws, thorns, or the shell of a turtle. (noun)
  • A framework serving as a supporting core for the material that is used to make a sculpture. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "armature" in a sentence
  • "King Kong armature from the 1933 film was recently auctioned off by Christie’s of London."
  • "In these, by means of a steam-engine or other power, a number of coils of wire called the armature are set into rapid revolution between the poles of powerful electro-magnets."
  • "This depression is effected by means of an electro-magnet, E, whose armature, which is connected with the rod, _t, t_, lifts the arm, _i_, of the lever, and depresses A."