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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.
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Origin of HEPA

H(igh-)E(fficiency) P(articulate) A(ir)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hepa

Historical Examples of hepa

  • Hepa was, however, the name of a Hittite and Mitannian goddess.

    Archology and the Bible

    George A. Barton