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 flour tortillas are Chihuahua-style, delicately flaky, but dense and pliable enough to prevent leakage. — Jenn Harris, Los Angeles Times, 5 Oct. 2026

McKinsey has cited a life sciences company with about $4 billion in annual R&D procurement spend that ran an AI review covering roughly 10% of that spend and found 4% in verified leakage, more than $10 million. — Shaz Khan, Forbes.com, 2 Oct. 2026

Underground fiberglass tanks that will hold the gasoline are far less susceptible to leakage than the old metal tanks once common at gas stations, Palillo previously told The Charlotte Observer. — Joe Marusak, Charlotte Observer, 30 Sep. 2026

The elevated helium and argon signals were accompanied by no corresponding rise in nitrogen, which the study said provided evidence against atmospheric leakage being the sole explanation. — Neetika Walter, Interesting Engineering, 22 Sep. 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