nephelometer

noun

neph·​e·​lom·​e·​ter ˌne-fə-ˈlä-mə-tər 

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

ˌne-fə-lō-ˈme-trik 

adjective

nephelometrically

ˌne-fə-lō-ˈme-tri-k(ə-)lē 

adverb

nephelometry

ˌne-fə-ˈlä-mə-trē 

noun

Word History

Etymology

Greek nephelē cloud + International Scientific Vocabulary -meter

First Known Use

1884, in the meaning defined at sense 1

Medical Definition

nephelometer

noun

neph·​e·​lom·​e·​ter ˌnef-ə-ˈläm-ət-ər 

: 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

ˌnef-ə-lō-ˈme-trik 

adjective