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.

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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

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Etymology

Origin of leakage

First recorded in 1480–90; leak + -age

Example Sentences

While fluid membranes support fusion, they can also become unstable during freeze-thaw-induced stress, leading to leakage.

From Science Daily • Apr. 29, 2026

China wants to prevent leakage of "talent, tech data, capital", said Dylan Loh at Singapore's Nanyang Technological University.

From Barron's • Apr. 28, 2026

This has led to updated estimates showing that leakage from feedstock use is significantly greater than previously thought.

From Science Daily • Apr. 16, 2026

“Whether the material originated from aircraft systems, waste leakage, or another source, this event raises important concerns about aviation safety over densely populated communities in Los Angeles County.”

From Los Angeles Times • Apr. 14, 2026

Now he gathered a heap of soft grass and, with stone and stick for hammer and chisel, tamped it into all the crevices to prevent leakage.

From "Abel's Island" by William Steig

Related Words

• discharge
• flood
• movement
• outflow
• progress
• stream
• tide
• wind