Electromagnet

noun

Definitions

Noun
  1. 1
    A magnet which attracts metals only when electrically activated.

    "Hold the electromagnet near something made of iron and push the switch (S2). […] Large electromagnets are used to move things around at factories and junkyards."

  2. 2
    a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet wordnet

Etymology

From electro- + magnet.

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