colorimetry

from WordNet (r) 3.0 (2006)

colorimetry
    n 1: quantitative chemical analysis by color using a colorimeter
         [syn: {colorimetry}, {colorimetric analysis}]

from The Collaborative International Dictionary of English v.0.48

Colorimetry \Col`or*im"e*try\, n. [See {Colorimeter}.]
   1. The quantitative determination of the depth of color of a
      substance.
      [Webster 1913 Suppl.]

   2. A method of quantitative chemical analysis based upon the
      comparison of the depth of color of a solution with that
      of a standard liquid.
      [Webster 1913 Suppl.]