nephelometer

[nef-uh-lom-i-ter]

neph·e·lom·e·ter

[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.

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

neph·e·lo·met·ric [nef-uh-luh-me-trik] , neph·e·lo·met·ri·cal, adjective
neph·e·lo·met·ri·cal·ly, adverb
neph·e·lom·e·try, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To nephelometer

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Nephelometer has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
(used as a nonsense word by children to express approval or to represent the longest word in English.)
Collins
World English Dictionary
nephelometer (ˌnɛfɪˈlɒmɪtə)
 
n
chem an instrument for measuring the size or density of particles suspended in a fluid
 
[C19 (in the sense: an instrument for measuring the cloudiness of the sky): from Greek nephelē cloud + -o- + -meter]
 
nephelometric
 
adj
 
nephe'lometry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

nephelometer neph·e·lometer (něf'ə-lŏm'ĭ-tər)
n.
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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