突発性難聴 とっぱつせいなんちょう Meanings Noun sudden deafness; SD; sudden sensorineural hearing loss; SSHL Kanji 突 thrust. Read as トツ. 発 emit. Read as ハツ. 性 nature. Read as セイ. 難 difficult. Read as ナン. 聴 listen. Read as チョウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists