armature definition by Webster's New World
- any protective covering
- any part or structure of an organism useful for defense or offense, as claws, teeth, burs, or thorns
- a soft iron bar placed across the poles of a magnet to keep it from losing magnetic power
- the laminated iron core with wire wound around it in which electromotive force is produced by magnetic induction in a generator or motor: usually a revolving part, but in an alternating-current machine often stationary
- the moving or vibrating part in an electric relay or bell
- Sculpture a framework for supporting the clay or other plastic material in modeling
Origin: Classical Latin armatura, arms, equipment ; from armatus, past participle of armare; all senses from that of “armored, protected”: see arm,
armature definition by American Heritage Dictionary
- Electricity a. The rotating part of a dynamo, consisting essentially of copper wire wound around an iron core.b. The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.c. A piece of soft iron connecting the poles of a magnet.
- Biology A protective covering, structure, or organ of an animal or a plant, such as teeth, claws, thorns, or the shell of a turtle.
- A framework serving as a supporting core for the material that is used to make a sculpture.
Origin: Middle English, armor, from Old French, from Latin armātūra, equipment, from armātus, past participle of armāre, to arm; see arm2.
armature - Science Definition
- The part of an electric motor or generator that consists of wire wound around an iron core and carries an electric current. In motors and generators using direct current, the armature rotates within a magnetic field; in motors and generators using alternating current a magnetic field is rotated about the armature.
- A piece of soft iron connecting the poles of a magnet.
- The part of an electromagnetic device, such as a relay or loudspeaker, that moves or vibrates.