老ろう年ねん痴ち呆ほうろうねんちほうじ字FuriganaAudioMeanings1nounsenile dementiadated termmedicine›Dated medical term for senile dementia; now largely replaced by 老人性認知症 (ろうじんせいにんちしょう) in clinical and everyday use. Still encountered in older texts.See also: 老人性認知症この古ふるい医い学がく書しょには「老ろう年ねん痴ち呆ほう」という言こと葉ばが使つかわれている。Break this sentence down in the analyzerThis old medical book uses the term 老年痴呆.