1. electromagnetism(n = noun.phenomenon) - magnetism produced by an electric current; "electromagnetism was discovered when it was observed that a copper wire carrying an electric current can magnetize pieces of iron or steel near it"
is a kind of magnetic attraction, magnetic force, magnetism
Derived form adjective electromagnetic1
2. electromagnetism(n = noun.cognition) electromagnetics - the branch of physics concerned with electromagnetic phenomena;
is a kind of natural philosophy, physics
Derived form adjective electromagnetic1
electromagnetism, n.
1 the magnetic forces produced by electricity.
2 the study of this.
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