Nephelometer

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Nephelometer \Neph`e*lom"e*ter\
     (n[e^]f`[-e]*l[o^]m"[-e]*t[~e]r), n. [Gr. nefe`lh a cloud +
     -meter.]
     1. An instrument for measuring or registering the amount of
        cloudiness.
        [1913 Webster]


  
     2. (Chem., Microbiol.) An instrument which measures the
        degree to which liquid suspensions scatter light, and by
        inference, the concentration of scattering particles in
        the suspension. It is used for various purposes, such as
        to estimate the number of bacteria in suspension in a
        liquid.
        [PJC]