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spirometer

[spahy-rom-i-ter]
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noun
  1. an instrument for determining the capacity of the lungs.
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Origin of spirometer

First recorded in 1840–50; spiro-1 + -meter
Related formsspi·ro·met·ric [spahy-ruh-me-trik] /ˌspaɪ rəˈmɛ trɪk/, spi·ro·met·ri·cal, adjectivespi·rom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for spirometry

spirometer

noun
  1. an instrument for measuring the air capacity of the lungsCompare pneumatometer
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Derived Formsspirometric (ˌspaɪrəˈmɛtrɪk), adjectivespirometry, noun
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 spirometry

spirometer

n.

1846, formed irregularly from Latin spirare "to breathe" (see spirit (n.)) + -meter. Related: Spirometry.

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Online Etymology Dictionary, © 2010 Douglas Harper

spirometry in Medicine

spirometer

(spī-rŏmĭ-tər)
n.
  1. An instrument for measuring the volume of air entering and leaving the lungs.
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Related formsspi′ro•metric (-rə-mĕtrĭk) adj.spi•rome•try n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.