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[pree-klin-i-kuh l] /priˈklɪn ɪ kəl/
adjective, Medicine/Medical.
of or relating to the period prior to the appearance of the symptoms.
Origin of preclinical
First recorded in 1930-35; pre- + clinical
Related forms
preclinically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for preclinical


adjective (med)
of, relating to, or occurring during the early phases of a disease before accurate diagnosis is possible
of, relating to, or designating an early period of scientific study by a medical student before practical experience with patients
Derived Forms
preclinically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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preclinical in Medicine

preclinical pre·clin·i·cal (prē-klĭn'ĭ-kəl)

  1. Of or relating to the period of a disease before the appearance of symptoms.

  2. Of or being a period in medical education before the student is involved with patients and clinical work.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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