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nephelometer Line breaks: neph¦el|om¦eter
Pronunciation: /ˌnɛfəˈlɒmɪtə/

Definition of nephelometer in English:


An instrument for measuring the size and concentration of particles suspended in a liquid or gas, especially by means of the light they scatter.
Example sentences
  • In the present study, we investigated the technical feasibility of using the nephelometer to measure breath-by-breath particle deposition and to monitor exposure environments in field studies.
  • It's also very cloudy, something you can measure with a nephelometer, a tool that transmits light across a few centimeters of seawater and measures how much is absorbed
  • The portable nephelometer could, therefore, respond to changes in the particle concentration in inhaled versus exhaled air.


Late 19th century: from Greek nephelē 'cloud' + -meter.

Definition of nephelometer in:

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