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[id-ee-uh-path-ik] /ˌɪd i əˈpæθ ɪk/
adjective, Pathology.
of unknown cause, as a disease.
Origin of idiopathic
First recorded in 1660-70; idio- + -pathic
Related forms
idiopathically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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idiopathic in Medicine

idiopathic id·i·o·path·ic (ĭd'ē-ə-pāth'ĭk)

  1. Of or relating to a disease having no known cause; agnogenic.

  2. Of or relating to a disease that is not the result of any other disease.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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idiopathic in Science
Relating to or being a disease having no known cause.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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