diamagnetic

[dahy-uh-mag-net-ik]
adjective Physics.
of or pertaining to a class of substances, as bismuth and copper, whose permeability is less than that of a vacuum: in a magnetic field, their induced magnetism is in a direction opposite to that of iron.


Origin:
1840–50; dia- + magnetic

diamagnetically, adverb
diamagnetism [dahy-uh-mag-ni-tiz-uhm] , noun
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World English Dictionary
diamagnetic (ˌdaɪəmæɡˈnɛtɪk)
 
adj
of, exhibiting, or concerned with diamagnetism
 
diamag'netically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
diamagnetism  [%PREMIUM_LINK%]     (dī'ə-māg'nĭ-tĭz'əm)  Pronunciation Key 
The property of being repelled by both poles of a magnet. Most substances commonly considered to be nonmagnetic, such as water, are actually diamagnetic. Though diamagnetism is a very weak effect compared with ferromagnetism and paramagnetism, it can be used to levitate objects. Compare ferromagnetism, paramagnetism. See also Lenz's law.

diamagnetic adjective (dī'ə-māg-nět'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Immediately after that the object would pop up to full diamagnetic levitating
  height again because now the static is gone.
The diamagnetic material and the magnet repel each other.
The superconductor becomes perfectly diamagnetic, canceling all magnetic flux
  in its interior.
In common parlance, diamagnetic and paramagnetic substances are often called
  nonmagnetic.
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