Dictionary.com
Thesaurus.com
Synonyms

leakage

American  
[lee-kij] / ˈli kɪdʒ /

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.


leakage British  
/ ˈliːkɪdʒ /

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

"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

Etymology

Origin of leakage

First recorded in 1480–90; leak + -age

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Leakage is the lowest it has ever been in Yorkshire, and it's something that we work on all year round," a spokesperson said.

From BBC • Jul. 11, 2025

Leakage from natural gas pipelines is a major source of methane emissions that contribute to global warming.

From Seattle Times • May 5, 2023

He and his co-author Wallace V. Friesen laid the groundwork for Ekman’s popular theory of lies in their 1969 paper “Nonverbal Leakage and Clues to Deception,” which dealt with patients’ nonverbal signals.

From Scientific American • Feb. 9, 2021

Figure 12.21 Leakage Channels In certain situations, ions need to move across the membrane randomly.

From Textbooks • Jun. 19, 2013

The leakage per hour was as follows:   Duration of the Leakage per hour in     experiment. cubic mm. at press.

From Scientific American Supplement, No. 303, October 22, 1881 by Various