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[suhb-klin-i-kuh l] /sʌbˈklɪn ɪ kəl/
adjective, Medicine/Medical
pertaining to an early stage of a disease; having no noticeable clinical symptoms.
Origin of subclinical
1930-35; sub- + clinical Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for subclinical
  • In one study, improving their sleep by treating the sleep disorder dropped average symptom ratings to subclinical levels.
  • But their rate of subclinical hyperthyroidism did increase.
  • There are three basic patterns of polio infection: subclinical infections, nonparalytic, and paralytic.
  • Hypothyroidism is separated into either overt or subclinical disease.
British Dictionary definitions for subclinical


(med) of or relating to the stage in the course of a disease before the symptoms are first noted
Derived Forms
subclinically, 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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subclinical in Medicine

subclinical sub·clin·i·cal (sŭb-klĭn'ĭ-kəl)
Not manifesting characteristic clinical symptoms. Used of a disease or condition.

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