[ nef-uh-lom-i-ter ]
/ ˌnɛf əˈlɒm ɪ tər /
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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.



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Origin of nephelometer

1880–85; nephel- (combining form representing Greek nephélē cloud; see nebula) + -o- + -meter

OTHER WORDS FROM nephelometer

neph·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

Words nearby nephelometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for nephelometer

/ (ˌnɛfɪˈlɒmɪtə) /


chem an instrument for measuring the size or density of particles suspended in a fluid

Derived forms of nephelometer

nephelometric (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

Medical definitions for nephelometer

[ nĕf′ə-lŏmĭ-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.

Other words from nephelometer

neph′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.