magnetic-head

magnetic head

noun Electronics.
head ( def 33 ).

Origin:
1945–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
magnetic head

noun
an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved 
WordNet® 3.0, © 2006 by Princeton University.
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