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[mag-ni-tahyz] /ˈmæg nɪˌtaɪz/
verb (used with object), magnetized, magnetizing.
to make a magnet of or impart the properties of a magnet to.
to exert an attracting or compelling influence upon:
The evangelist's oratory magnetized his listeners.
Archaic. to mesmerize.
Also, especially British, magnetise.
Origin of magnetize
1775-85; magnet + -ize
Related forms
magnetizer, noun
nonmagnetized, adjective
remagnetize, verb (used with object), remagnetized, remagnetizing.
unmagnetized, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for magnetize


verb (transitive)
to make (a substance or object) magnetic
to attract strongly
an obsolete word for mesmerize
Derived Forms
magnetizable, magnetisable, adjective
magnetization, magnetisation, noun
magnetizer, magnetiser, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for magnetize

1799, from magnet + -ize. Related: Magnetized; magnetizing. From 1785 in now-obsolete sense of "to mesmerize."

Online Etymology Dictionary, © 2010 Douglas Harper
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magnetize in Science
To cause an object to become temporarily or permanently magnetic. For example, an unmagnetized object made of ferromagnetic material consists of molecules that are magnetic but randomly aligned, producing no net magnetic field; exposure to a magnetic field causes the molecules to align themselves with the field, producing their own net field, so that the object as a whole becomes magnetized.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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