Definition of idiopathic in English:
 idiopathic
adjective ˌɪdɪə(ʊ)ˈpaθɪkˌɪdiəˈpæθɪk
Medicine Relating to or denoting any disease or condition which arises spontaneously or for which the cause is unknown.
 Example sentencesExamples
-  Ulcerative colitis and Crohn's disease are idiopathic inflammatory disorders of unknown aetiology.
 -  Panayiotopoulos syndrome is a new idiopathic childhood epilepsy, recently recognised by the International League Against Epilepsy.
 -  Little is known about the pathogenesis of cough in idiopathic pulmonary fibrosis.
 -  Psychiatric symptoms frequently coexist with idiopathic Parkinson's disease and are often underdiagnosed and poorly treated.
 -  Basically, idiopathic pericarditis is a disease of exclusion.
 
  Definition of idiopathic in US English:
 idiopathic
adjectiveˌɪdiəˈpæθɪkˌidēəˈpaTHik
Medicine Relating to or denoting any disease or condition which arises spontaneously or for which the cause is unknown.
 Example sentencesExamples
-  Ulcerative colitis and Crohn's disease are idiopathic inflammatory disorders of unknown aetiology.
 -  Panayiotopoulos syndrome is a new idiopathic childhood epilepsy, recently recognised by the International League Against Epilepsy.
 -  Psychiatric symptoms frequently coexist with idiopathic Parkinson's disease and are often underdiagnosed and poorly treated.
 -  Basically, idiopathic pericarditis is a disease of exclusion.
 -  Little is known about the pathogenesis of cough in idiopathic pulmonary fibrosis.