亜あ急きゅう性せいあきゅうせいじ字FuriganaAudioMeanings1noun which may take the genitive case particle 'no', nounsubacutemedicine›Medical term describing a condition or disease that is intermediate between acute and chronic in onset and duration.亜あ急きゅう性せい甲こう状じょう腺せん炎えんは、ウイルス感かん染せんが原げん因いんと考かんがえられている。Break this sentence down in the analyzerSubacute thyroiditis is thought to be caused by a viral infection.