蓄冷剤 ちくれいざい Meanings Noun refrigerant; thermal gel; ice pack; cold pack See also: 保冷剤 (ほれいざい). Kanji 蓄 stockpile. Read as チク. 冷 cool. Read as レイ. 剤 agent. Read as ザイ. Jinuma: Japanese Dictionary · Word lists