scopometer

A device for determining the density of a precipitate by the degree of translucency of a fluid containing it. SEE ALSO: nephelometer. [G. skopeo, to view, + metron, measure]

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sco·pom·e·ter (sko-pomґə-tər) [Gr. skopein to examine + -meter] an instrument for measuring the turbidity of solutions, i.e., the density of a precipitate.