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[nef-uh-lom-i-ter] /ˌnɛf əˈlɒm ɪ tər/
Bacteriology. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
Physical Chemistry. an instrument for studying the density of suspended particles in a liquid by measuring the degree to which the suspension scatters light.
Origin of nephelometer
1880-85; nephel- (combining form representing Greek nephélē cloud; see nebula) + -o- + -meter
Related forms
[nef-uh-luh-me-trik] /ˌnɛf ə ləˈmɛ trɪk/ (Show IPA),
nephelometrical, adjective
nephelometrically, adverb
nephelometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for nephelometric


(chem) an instrument for measuring the size or density of particles suspended in a fluid
Derived Forms
nephelometric (ˌnɛfɪləʊˈmɛtrɪk) adjective
nephelometry, noun
Word Origin
C19 (in the sense: an instrument for measuring the cloudiness of the sky): from Greek nephelē cloud + -o- + -meter
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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nephelometric in Medicine

nephelometer neph·e·lometer (něf'ə-lŏm'ĭ-tər)
An apparatus used to measure the size and concentration of particles in a liquid by determining the amount of light scattered by the liquid.

neph'e·lo·met'ric (-lō-mět'rĭk) adj.
neph'e·lom'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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