Diamagnetism

noun

Definitions

Noun
  1. 1
    a weak form of magnetism that is only observed in the presence of an external magnetic field; due to an induced magnetic field in an opposite direction countable, uncountable
  2. 2
    phenomenon exhibited by materials like copper or bismuth that become magnetized in a magnetic field with a polarity opposite to the magnetic force; unlike iron they are slightly repelled by a magnet wordnet

Etymology

From dia- + magnetism.

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