HEPA

[ hep-uh ]
/ ˈhɛp ə /

adjective

noting or using an air filter composed of a mat of dense fibers arranged in folds, designed according to federal standards to trap at least 99.97% of airborne particles measuring 0.3 microns in diameter: HEPA vacuums and air purifiers.

QUIZZES

BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!

We know you’ll tackle this quiz totis viribus! See how many words from the week of Oct 12–18, 2020 you get right!
Question 1 of 7
What does “Indigenous” mean?

Origin of HEPA

First recorded in 1960–65; abbreviation of h(igh-)e(fficiency) p(articulate) a(ir)

Definition for HEPA (2 of 2)

Hep A
[ hep ]
/ hɛp /

noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for HEPA