Skip to Content


Pronunciation: den'si-tom'e-ter


  1. An instrument for measuring the density of a fluid.
  2. An instrument for measuring, by virtue of relative turbidity, the growth of bacteria in broth; useful in microbiologic assay of nutrients and antibiotics, phage studies.
  3. An instrument for measuring the density of components (protein fractions) separated by electrophoresis or chromatography, using light absorption or reflection.
  4. An electronic instrument for measuring the blackening of radiographic film by x-ray exposure; used for film sensitometry, bone densitometry, measurement of line spread function (microdensitometer).
  5. An instrument for measuring the extent to which a material absorbs or reflects light.

Synonym(s): densimeter

[L. densitas, density, + G. metron, measure]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.