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Denotation vs. Connotation

spirometer

[spahy-rom-i-ter] /spaɪˈrɒm ɪ tər/
noun
1.
an instrument for determining the capacity of the lungs.
Origin of spirometer
1840-1850
1840-50; spiro-1 + -meter
Related forms
spirometric
[spahy-ruh-me-trik] /ˌspaɪ rəˈmɛ trɪk/ (Show IPA),
spirometrical, adjective
spirometry, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for spirometer
Historical Examples
  • Note: I would advise a spirometer for measuring the capacity of the lungs.

  • The spirometer, a useful but rather expensive little instrument, measures accurately lung capacity.

    The Boy's Voice J. Spencer Curwen
  • Secure a spirometer and increase the lung capacity until it registers about two hundred and fifty cubic inches.

  • Hence, the spirometer directly measures the respiratory capacity, and only indirectly the pulmonary capacity.

    Pedagogical Anthropology Maria Montessori
  • 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.

British Dictionary definitions for spirometer

spirometer

/spaɪˈrɒmɪtə/
noun
1.
an instrument for measuring the air capacity of the lungs Compare pneumatometer
Derived Forms
spirometric (ˌspaɪrəˈmɛtrɪk) adjective
spirometry, 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
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Word Origin and History for spirometer
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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spirometer in Medicine

spirometer spi·rom·e·ter (spī-rŏm'ĭ-tər)
n.
An instrument for measuring the volume of air entering and leaving the lungs.


spi'ro·met'ric (-rə-mět'rĭk) adj.
spi·rom'e·try n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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