HEPA

[ hep-uh ]

adjective

1. 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.

Word History and Origins

Origin of HEPA¹

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

Example Sentences

He also advised installing Hepa filters and better ventilation inside the home to minimise exposure.

From BBC

Ms. Hepa said the borough and its residents were “keenly aware of the need to balance responsible oil development and the subsistence lifestyle that has sustained us.”

From New York Times

At a recent meeting convened by Ms. Murkowski, Taqulik Hepa, director of the Department of Wildlife Management for the North Slope Borough, said that municipal services in her community depended on taxes from oil and gas infrastructure.

From New York Times

Taqulik Hepa, director of the Department of Wildlife Management for the North Slope Borough, said taxes levied on oil and gas infrastructure have enabled the borough to invest in public infrastructure, support local schools and provide police, fire and other services.

From Seattle Times

Hepa said the borough and its residents are “keenly aware of the need to balance responsible oil development and the subsistence lifestyle that has sustained us.”

From Seattle Times