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nephelometer

[nef-uh-lom-i-ter]
noun
  1. Bacteriology. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
  2. Physical Chemistry. an instrument for studying the density of suspended particles in a liquid by measuring the degree to which the suspension scatters light.
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Origin of nephelometer

1880–85; nephel- (combining form representing Greek nephélē cloud; see nebula) + -o- + -meter
Related formsneph·e·lo·met·ric [nef-uh-luh-me-trik] /ˌnɛf ə ləˈmɛ trɪk/, neph·e·lo·met·ri·cal, adjectiveneph·e·lo·met·ri·cal·ly, adverbneph·e·lom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nephelometry

nephelometer

noun
  1. chem an instrument for measuring the size or density of particles suspended in a fluid
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Derived Formsnephelometric (ˌnɛfɪləʊˈmɛtrɪk), adjectivenephelometry, noun

Word Origin for nephelometer

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

nephelometry in Medicine

nephelometer

(nĕf′ə-lŏmĭ-tər)
n.
  1. An apparatus used to measure the size and concentration of particles in a liquid by determining the amount of light scattered by the liquid.
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Related formsneph′e•lo•metric (-lō-mĕtrĭk) adj.neph′e•lome•try n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.