nephelometer

[ 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 of nephelometer

1
1880–85; nephel- (combining form representing Greek nephélē cloud; see nebula) + -o- + -meter

Other words from nephelometer

  • neph·e·lo·met·ric [nef-uh-luh-me-trik], /ˌnɛf ə ləˈmɛ trɪk/, 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 Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for nephelometer

nephelometer

/ (ˌnɛfɪˈlɒmɪtə) /


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

Origin of nephelometer

1
C19 (in the sense: an instrument for measuring the cloudiness of the sky): from Greek nephelē cloud + -o- + -meter

Derived forms of nephelometer

  • nephelometric (ˌnɛfɪləʊˈmɛtrɪk), adjective
  • nephelometry, noun

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