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leakage

[lee-kij]
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noun
  1. an act of leaking; leak.
  2. something that leaks in or out.
  3. the amount that leaks in or out.
  4. Commerce. an allowance for loss by leaking.
  5. Physics, Electricity. the loss of all or part of a useful agent, as of the electric current that flows through an insulator (leakage current) or of the magnetic flux that passes outside useful flux circuits (leakage flux).
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Origin of leakage

First recorded in 1480–90; leak + -age
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for leakage-flux

leakage

noun
  1. the act or an instance of leaking
  2. something that escapes or enters by a leak
  3. commerce an allowance made for partial loss (of stock, etc) due to leaking
  4. physics
    1. an undesired flow of electric current, neutrons, etc
    2. (as modifier)leakage current
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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

Word Origin and History for leakage-flux

leakage

n.

late 15c., from leak (v.) + -age.

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Online Etymology Dictionary, © 2010 Douglas Harper