First Known Use: 1983
Dictionary
HEPA
adjective \ˈhe-pə\
Definition of HEPA
: being, using, or containing a filter usually designed to remove 99.97% of airborne particles measuring 0.3 micrometers or greater in diameter passing through it
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Origin of HEPA
high-efficiency particulate air (filter)
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 of HEPA
high efficiency particulate air
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