armature (redirected from armatures)

ar·ma·ture  (ärm-chr, -chr)

n.

1. 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.

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 that is used to make a sculpture.

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[Middle English, armor, from Old French, from Latin armtra, equipment, from armtus, past participle of armre, to arm; see arm².]

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armature

Noun

1. a revolving structure in an electric motor or generator, wound with the coils that carry the current

2. Sculpture a framework to support the clay or other material used in modelling [Latin armatura armour, equipment]

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armature  (ärm-chr)

1. 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.

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.

Thesaurus

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 rotor, rotor coil - the rotating armature of a motor or generator