遺い伝でん性せい難なん聴ちょうMeanings1nounhereditary deafness; genetic deafnessmedicineMedical term for hearing loss caused by genetic factors. Used in clinical and research contexts.遺い伝でん性せい難なん聴ちょうの原げん因いん遺い伝でん子しが特とく定ていされた。The causative gene for hereditary deafness has been identified.彼かの女じょは遺い伝でん性せい難なん聴ちょうのため、補ほ聴ちょう器きを使つかっている。She uses a hearing aid because of hereditary deafness.