- an instrument for determining the capacity of the lungs.
Origin of spirometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for spirometer
Note: I would advise a spirometer for measuring the capacity of the lungs.Encyclopedia of Diet, Vol. 4 (of 5)
The spirometer, a useful but rather expensive little instrument, measures accurately lung capacity.The Boy's Voice
J. Spencer Curwen
Hence, the spirometer directly measures the respiratory capacity, and only indirectly the pulmonary capacity.Pedagogical Anthropology
The spirometer only registered 200 cubic inches instead of 260, which, according to Hutchinson's table, was his mean.
It will be found by occasional trials upon the spirometer that the breathing capacity increases with these exercises.
- an instrument for measuring the air capacity of the lungsCompare pneumatometer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for spirometer
Online Etymology Dictionary, © 2010 Douglas Harper
- An instrument for measuring the volume of air entering and leaving the lungs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.