nephelometer

noun

neph·​e·​lom·​e·​ter ˌne-fə-ˈlä-mə-tər How to pronounce nephelometer (audio)
1
: an instrument for measuring the extent or degree of cloudiness
2
: an instrument for determining the concentration or particle size of suspensions by means of transmitted or reflected light
nephelometric adjective
nephelometrically adverb
nephelometry noun

Word History

Etymology

Greek nephelē cloud + International Scientific Vocabulary -meter

First Known Use

1884, in the meaning defined at sense 1

Time Traveler
The first known use of nephelometer was in 1884

Dictionary Entries Near nephelometer

Cite this Entry

“Nephelometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nephelometer. Accessed 30 Nov. 2024.

Medical Definition

nephelometer

noun
neph·​e·​lom·​e·​ter ˌnef-ə-ˈläm-ət-ər How to pronounce nephelometer (audio)
: an instrument for measuring cloudiness: as
a
: a set of barium chloride or barium sulfate standards used for estimating the turbidity of a fluid and thereby the number of bacteria in suspension
b
: an instrument for determining the concentration or particle size of suspensions by means of transmitted or reflected light
nephelometric adjective

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