field coil
- noun
- Specialized
- If the field coils are damaged, the motor will not function properly.
Examples
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External field coils were a thing of the past, and the thing had virtually no moving parts.
Fiction book (1990) -
What we do is that we assemble the TF coils, the troyder field coils with the vacuum vessel and the thermal Shields.
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The technician explained how the field coils in the generator create a strong magnetic field.
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To improve efficiency, engineers often optimize the field coils in electric motors.
Synonyms
A piece of wire wound into a spiral used in electric devices
A wire wrapped around a magnet that makes the magnetic force for electric machines
Fixed wire loops inside a motor that make a magnetic field when electric current flows
Surface Forms
Morphology
The compound directly combines 'field' (a magnetic/force region) with 'coil' (a wound wire), so its meaning — a coil associated with or producing a field — is transparently derived from the parts. This is a straightforward noun+noun technical compound following common compositional patterns found cross-linguistically, so a B1 learner who knows both constituents should be able to infer the meaning.
Etymology
Field coil gets its name from a simple picture: a coil, a ring of wire, wrapped around the machine's field, the magnet. Because the wrapped wire makes the 'magnetic field', the term means the wire coil placed around the magnet to produce that field.