armature(redirected from armatures)
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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.
2. Biology A protective covering, structure, or organ of an animal or a plant, such as teeth, claws, thorns, or the shell of a turtle.
3. A framework serving as a supporting core for the material used to make a sculpture.
[Middle English, armor, from Old French, from Latin armātūra, equipment, from armātus, past participle of armāre, to arm; see arm2.]
1. (General Physics) a revolving structure in an electric motor or generator, wound with the coils that carry the current
2. (General Physics) any part of an electric machine or device that moves under the influence of a magnetic field or within which an electromotive force is induced
3. (General Physics) Also called: keeper a soft iron or steel bar placed across the poles of a permanent magnet to close the magnetic circuit
4. (General Physics) such a bar placed across the poles of an electromagnet to transmit mechanical force
5. (Art Terms) sculpture a framework to support the clay or other material used in modelling
6. (Biology) the protective outer covering of an animal or plant
7. (Arms & Armour (excluding Firearms)) archaic armour
[C15: from Latin armātūra armour, equipment, from armāre to furnish with equipment; see arm2]
ar•ma•ture(ˈɑr mə tʃər)
1. the protective covering of an animal or plant, or any part serving for defense or offense.
a. the part of a generator that includes the main current-carrying winding, in which the electromotive force is induced.
b. the moving part in an electrical device, as a buzzer or relay, that is activated by a magnetic field.
c. the iron or steel placed across the poles of a permanent magnet to close it.
3. a framework on which a clay, wax, or plaster figure is supported while being sculpted.
[1535–45; (< Middle French) < Latin armātūra an outfit, armor <armāt(us), past participle of armāre to arm2]
1. A rotating part of an electric motor or generator, consisting of wire wound around an iron core. The armature carries the current.
2. A piece of soft iron connecting the poles of a magnet.
3. The part of an electromagnetic device, such as a relay or loudspeaker, that moves or vibrates.
A metal or wood framework used to support a sculptor’s clay, plaster, or wax model.
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|Noun||1.||armature - coil in which voltage is induced by motion through a magnetic field|
coil - reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
electric motor - a motor that converts electricity to mechanical work
electromagnet - a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet