\ ˈhe-pə
\
\
Definition of HEPA
: being, using, or containing a filter usually designed to remove 99.97 percent of airborne particles measuring 0.3 micrometers or greater in diameter passing through it
Buying Guide
Our Reviews team has selected the best shop vacs.
Learn More About HEPA
Statistics for HEPA
Look-up Popularity
Cite this Entry
“HEPA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HEPA. Accessed 20 May. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
More Definitions for HEPA
HEPA
adjective
\ ˈhep-ə
\
\
Medical Definition of HEPA
: being, using, or containing a filter usually designed to remove 99.97% of airborne particles measuring 0.3 microns or greater in diameter passing through it
HEPA filters HEPA vacuum cleaners
Test Your Vocabulary
Name That Color
-
- Name that color:
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
-
You're (Probably) Saying It Wrong
18 words even you might be mispronouncing
-
Great Big List of Beautiful & Useless Words
Along with their degrees of usefulness
-
12 French Phrases from Downton Abbey
Many of us have an 'idée fixe'
-
Words For Things You Didn't Know Have Names
When 'thingamajig' and 'thingamabob' just won't do
Ask the Editors
Word Games
-
The Great British Vocabulary Quiz
Make sure you know the difference between a loo a...
Take the quiz
-
Face Your Fears
Don't be scared to answer these questions about f...
Take the quiz
-
Yearbook Superlatives Quiz
"Most Likely to Use Obscure Words"
Take the quiz
-
Lexigo
Find the hidden words by solving the clues
Take the quiz
Share HEPA
Time Traveler for HEPA
The first known use of HEPA was in 1965
See more words from the same year