from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument for measuring the volume of air entering and leaving the lungs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device used to measure the volume of air inspired and expired by the lungs.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for measuring the vital capacity of the lungs, or the volume of air which can be expelled from the chest after the deepest possible inspiration. Cf. pneumatometer.

from The Century Dictionary and Cyclopedia

  • n. A contrivance for measuring the extreme differential capacity of the human lungs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a measuring instrument for measuring the vital capacity of the lungs


From Latin spirare ("to breathe") +‎ -meter. (Wiktionary)


  • His recording spirometer is used in many hospitals, his bicycle ergometer is an appreciated working machine, his precision pipettes, respiration apparatus, improved methods for gas analysis and many other inventions bear witness to his constructive skill.

    August Krogh - Biography

  • They also tested how well the kids' lungs were working using a device called a spirometer.

    Yahoo! News: Business - Opinion

  • Lung screenings involve a small device called a spirometer, which measures how much air a person breathes in and out of their lungs.

    Craig Daily Press stories

  • One way researchers determine airflow obstruction is by using a machine called a spirometer to measure how much air a person breathes in and out, as well as how fast it is blown out, or expired.

    Newswise: Latest News

  • The employers also allege Kelly may have misused a machine called a spirometer to measure lung capacity.

    Breaking News - The Post Chronicle

  • Includes white blood cells, lymph nodes, spleen and tonsils, among others. incentive spirometer (also called inspirometer) - a plastic device with a flexible tubing and enclosed ball designed to help stimulate deep breaths and therefore prevent lung collapse and infections.

    Glossary of liver transplant terms

  • You should also get a device called a “spirometer”.

    What to Expect If You Have Bypass Surgery | myFiveBest

  • Within two months, I blew the top off that spirometer once again.

    CSS: Shaping the New You

  • “Wow,” the nurse exclaimed, staring at her lung-capacity spirometer.

    CSS: Shaping the New You

  • And to be sure, given that I grew up in a family where both parents smoked, plus the family history and all, a couple of other things: A chest X-ray and a spirometer test.

    Dodging Bullets


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