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nephelometer

American

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

noun

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.

nephelometer British

/ ˌnɛfɪˈlɒmɪtə, ˌnɛfɪləʊˈmɛtrɪk /

noun

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

"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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Etymology

Origin of nephelometer

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023