冷血 れいけつ Meanings Noun In Cold Blood (novel by Truman Capote) Kanji 冷 cool. Read as レイ. 血 blood. Read as ケツ. Words containing 冷血 冷血漢 (れいけつかん) cold-blooded person 冷血動物 (れいけつどうぶつ) cold-blooded animal Jinuma: Japanese Dictionary · Word lists