turbidimeter
noun
tur·bi·dim·e·ter ˌtər-bə-ˈdi-mə-tər 
1
: an instrument for measuring and comparing the turbidity of liquids by viewing light through them and determining how much light is cut off
2
: nephelometer
turbidimetric
ˌtər-bə-də-ˈme-trik
adjective ˌtər-ˌbi-də-
turbidimetrically
ˌtər-bə-də-ˈme-tri-k(ə-)lē
adverb turbidimetry
ˌtər-bə-ˈdi-mə-trē
noun 
Word History
Etymology
International Scientific Vocabulary turbidity + -meter
First Known Use
1905, in the meaning defined at sense 1
Medical Definition
turbidimeter
noun
tur·bi·dim·e·ter ˌtər-bə-ˈdim-ət-ər
1
: an instrument for measuring and comparing the turbidity of liquids by viewing light through them and determining how much light is transmitted
2
: nephelometer