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armature
[ ahr-muh-cher ]
noun
- Biology. the protective covering of an animal or plant, or any part serving for defense or offense.
- Electricity.
- the part of an electric machine that includes the main current-carrying winding and in which the electromotive force is induced.
- the pivoted part of an electric device, as a buzzer or relay, that is activated by a magnetic field.
- the iron or steel applied across the poles of a permanent magnet to close it, or across the poles of an electromagnet to transmit a mechanical force.
- Sculpture. a skeletal framework built as a support on which a clay, wax, or plaster figure is constructed.
armature
/ ˈɑːmətjʊə /
noun
- a revolving structure in an electric motor or generator, wound with the coils that carry the current
- 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
- Also calledkeeper a soft iron or steel bar placed across the poles of a permanent magnet to close the magnetic circuit
- such a bar placed across the poles of an electromagnet to transmit mechanical force
- sculpture a framework to support the clay or other material used in modelling
- the protective outer covering of an animal or plant
- archaic.armour
armature
/ är′mə-chər /
- 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.
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Word History and Origins
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Word History and Origins
Origin of armature1
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Example Sentences
But Tarzan is also the armature for a heady display which reaches way beyond the simple chronicling of a pop phenomenon.
A very slight movement of the armature disc J, therefore, suffices to open to the full extent two long exhaust passages.
Four catch pins were fastened on the rim of the disk to engage a catch pin on the armature of the magnet.
The armature may now be soldered to this shaft, its left-hand surface being flush with the ends of the magnet.
If the armature and its connections are also used from the buzzer, the height of the coils must be taken in consideration.
The other binding post H is connected to the bracket B supporting the armature spring.
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