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Medical Term:


Pronunciation: trat


  1. A qualitative characteristic.
  2. A discrete attribute as contrasted with metric character. A trait is amenable to segregation rather than quantitative analysis; it is an attribute of phenotype, not of genotype.

[Fr. from L. tractus, a drawing out, extension]

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