noun, noun which may take the genitive case particle 'no'
idiopathy; idiopathic
Medical term for a disease or condition of unknown cause. Often used attributively with の.
特発性の疾患は原因が特定できない。
Idiopathic diseases have no identifiable cause.
この症状は特発性と考え
This symptom is considered idiopathic.
noun, noun or participle which takes 'suru'
special train; special bus; extra service
Refers to a train, bus, or other transport service arranged for a specific purpose, not part of the regular schedule. Can be used as a suru-verb.
イベントのために特発列車が運行された。
A special train was operated for the event.
観光シーズンにはバスを特発する。
During the tourist season, they run extra buses.