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HEPA

adjective \ 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

Origin and Etymology of hepa

high-efficiency particulate air (filter)

NEW! Time Traveler

First Known Use: 1965

See Words from the same year

Medical Dictionary

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

Origin and Etymology of hepa

high efficiency particulate air

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