- Biology. the protective covering of an animal or plant, or any part serving for defense or offense.
- 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.
Origin of armature
Examples from the Web for armature
But Tarzan is also the armature for a heady display which reaches way beyond the simple chronicling of a pop phenomenon.The Original Sexy Beast
July 2, 2009
Simple, Simplex: without process, armature, or appendage of any kind.Explanation of Terms Used in Entomology
John. B. Smith
Let A represent the armature, with a pair of grooves (B) for the wires.
By means of the armature, vibrating in front of a magnet, we can see its manifestations.
He knows the injury to the armature was done in our shop and that we are responsible for it.
When he emerged, it was with the avowed belief that the armature had been defective when received.
- 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 called: keeper 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
Word Origin and History for armature
c.1400, "an armed force," from Latin armatura "armor, equipment," from armatus, past participle of armare "to arm, furnish with weapons" from arma (see arm (n.2)). Meaning "armor" is mid-15c.; that of "protective covering of a plant or animal" is from 1660s. Electromagnetic sense is from 1835.
- 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.