イタイイタイ病 イタイイタイびょう Also written 痛い痛い病 Meanings Noun itai-itai disease (i.e.: mass cadmium poisoning in Toyama Prefecture starting in the 1910s caused by industrial waste) See also: 痛い (いたい). Kanji 病 illness. Read as ビョウ. Jinuma: Japanese Dictionary · Word lists