spirometry

/spaɪˈrɑmətri/
noun
  1. A medical test that measures how much air a person can breathe in and out, and how quickly, used to assess lung health.
    • She had to repeat the spirometry three times to get accurate readings.
    • The results of the spirometry showed that his lung function was normal.
    • Spirometry is a common test for people with chronic cough or shortness of breath.