— nephelometric /nef'euh leuh me"trik/ , nephelometrical , adj. — nephelometrically , adv. — nephelometry , n.
/nef'euh lom"i teuhr/ , n.
1. Bacteriol. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
2. Physical Chem. an instrument for studying the density of suspended particles in a liquid by measuring the degree to which the suspension scatters light.
[ 1880-85; nephel- (comb. form repr. Gk nephéle cloud; see NEBULA) + -O- + -METER ]