Skip to Content
Medical Term:


Pronunciation: di-lu'shun


  1. The act of being diluted.
  2. A diluted solution or mixture.
  3. In microbiologic techniques, a method for counting the number of viable cells in a suspension; a sample is diluted to the point where an aliquot, when plated, yields a countable number of separate colonies.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.