leakage

noun

leak·​age ˈlē-kij 

1

a

: the act or process or an instance of leaking

b

: loss of electricity especially due to faulty insulation

2

: something or the amount that leaks

Examples of leakage in a Sentence

trying to prevent accidental leakages

Leakages of about 30 percent were reported.

taking steps to prevent leakage of confidential information

Recent Examples on the Web

This leakage disrupts the blood-brain barrier, a protective membrane that separates circulating blood from the brain tissue, leading to fluid build-up and increased pressure in the brain. —New Atlas, 30 Apr. 2025

And there is very little leakage in the Q4 TV market, which is by design. —Anthony Crupi, Sportico.com, 25 Apr. 2025

During an energy audit, practitioners use a device called a blower door test to measure the air leakage of a building. —Brynn Cooksey, Forbes.com, 29 Apr. 2025

This standard rates masks based on filtration, breathability, and an optional leakage ratio. —Lisa Wood Shapiro, Wired News, 18 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

leakage

noun

leak·​age ˈlē-kij 

1

a

: the act, process, or an instance of leaking

b

: loss of electricity due especially to faulty insulation

2

: something or the amount that is lost in a leak