Eriometer

1 definition found

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

  Eriometer \E`ri*om"e*ter\, n. [Gr. ? wool + -meter.] (Opt.)
     An instrument for measuring the diameters of minute particles
     or fibers, from the size of the colored rings produced by the
     diffraction of the light in which the objects are viewed.
     [1913 Webster]