peak expiratory flow

[ pēk ]

n.

The maximum flow of air at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma.

Nearby words

  1. pyro-,
  2. pyrobitumen,
  3. pyroborate,
  4. pyrocatechol,
  5. pyrocellulose,
  6. pyrochlore,
  7. pyroclastic,
  8. pyroconductivity,
  9. pyrocrystalline,
  10. pyroelectric


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.