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WordReference Random House Unabridged Dictionary of American English © 2024neph•e•lom•e•ter (nef′ə lom′i tər),USA pronunciation n. - Microbiology[Bacteriol.]an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
- Chemistry[Physical Chem.]an instrument for studying the density of suspended particles in a liquid by measuring the degree to which the suspension scatters light.
- see nebula) + -o- + -meter 1880–85; nephel- (combining form representing Greek nephélē cloud
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