老ろう年ねん痴ち呆ほう

noun

senile dementia

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