Dictionary.com

HEPA

[ hep-uh ]
/ ˈhɛp ə /
Save This Word!
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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
who
whom
TAKE THE QUIZ TO FIND OUT

Origin of HEPA

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

Words nearby HEPA

hen tracks, Henty, Henze, heortology, hep, HEPA, heparin, hepat-, hepatectomy, hepatic, hepatica

Other definitions for HEPA (2 of 2)

Hep A
[ hep ]
/ hɛp /
noun
hepatitis A.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use HEPA in a sentence

FEEDBACK