a revolving structure in an electric motor or generator, wound with the coils that carry the current
2.
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. Also called: keeper
a soft iron or steel bar placed across the poles of a permanent magnet to close the magnetic circuit
4.
such a bar placed across the poles of an electromagnet to transmit mechanical force
5. sculpture
a framework to support the clay or other material used in modelling
6.
the protective outer covering of an animal or plant
7. archaic
armour
Word origin
C15: from Latin armātūra armour, equipment, from armāre to furnish with equipment; see arm2
armature in American English
(ˈɑrmətʃər)
noun
1.
any protective covering
see also armor (sense 1) armor (sense 2)
2.
any part or structure of an organism useful for defense or offense, as claws, teeth, burs, or thorns
3.
a soft iron bar placed across the poles of a magnet to keep it from losing magnetic power
4.
a.
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-currentmachine often stationary
b.
the moving or vibrating part in an electric relay or bell
5. Sculpture
a framework for supporting the clay or other plastic material in modeling
Word origin
L armatura, arms, equipment < armatus, pp. of armare; all senses from that of “armored, protected”: see , arm2 verb transitive
armature in Electrical Engineering
(ɑrmətʃər)
Word forms: (regular plural) armatures
noun
(Electrical engineering: Electrical power, Motor or generator)
The armature of an electric motor or generator or of an electric apparatus is the coil or coils in which a voltage is induced by a magnetic field.
The motor has a flat armature, with coils mounted to face the rotor magnets.
In these generators, magnetic field which induces current in the armature coils is formed either by permanent magnets or electromagnets.
The armature of an electric motor or generator or of an electric apparatus is the coil or coilsin which a voltage is induced by a magnetic field.
Examples of 'armature' in a sentence
armature
The brush is under constant spring-loaded pressure against the face of the armature.
Maclean, Alistair SAN ANDREAS (2002)
Grace turned back to work as she talked, cutting and bending thick wire to form an armature.
Melville, Anne THE HARDIE INHERITANCE (2002)
The actress pulled a dust sheet from a large armature and wrapped herself in it.
Fidelis Morgan THE RIVAL QUEENS: A COUNTESS ASHBY DE LA ZOUCHE MYSTERY (2002)
Beneath the flexible folds of its scales is an armature controlled by clockwork.
Gregory Maguire WICKED: THE LIFE AND TIMES OF THE WICKED WITCH OF THE WEST (2002)