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Pronunciation: ko'hort


  1. Component of the population born during a particular period and identified by period of birth so that its characteristics can be ascertained as it enters successive time and age periods.
  2. Any designated group followed or traced over a period, as in an epidemiologic cohort study.

[L. cohors, retinue, military unit]

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