超極低温 ちょうきょくていおん Meanings Noun extremely low temperature (below 0.01 K) See also: 超低温 (ちょうていおん). Kanji 超 exceed. Read as チョウ. 極 extreme. Read as キョク. 低 low. Read as テイ. 温 warm. Read as オン. Jinuma: Japanese Dictionary · Word lists