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

The hazard stems from a design flaw in the stopper — the component that retains heat and prevents leakage. —Francie Ebert, NBC news, 1 May 2026

Even symptoms that feel manageable—occasional urgency, mild leakage—can still be clinically meaningful. —Lauryn Higgins, Flow Space, 1 May 2026

Measuring just several tens of cubic millimeters, the new microbattery eliminates many of the safety risks associated with traditional lithium-ion batteries (Li-ion), such as swelling, leakage, and overheating, by avoiding liquid electrolytes. —Georgina Jedikovska, Interesting Engineering, 29 Apr. 2026

To address this, Cotton Incorporated collaborated with leading global researchers to quantify plastic leakage across both cotton and synthetic value chains, spanning fast fashion and more traditional apparel categories. —Angela Velasquez, Footwear News, 27 Apr. 2026

Word History

Etymology

Middle English lecage, from leken "to leak entry 1" + -age -age

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