rewinding

verb

1. (form-of, gerund, participle, present)present participle and gerund of rewind

noun

1. The act or process by which something is rewound.
2. A set of replacement coils on an electric motor or other device that uses wound wires to generate a magnetic field.

   “The Crookes tube has accordingly been modified until it is no longer a new-fangled burning glass: motors, coils, rewindings, regulators and transformers have been interposed between the street current and the tube[…]”