好気性細菌 こうきせいさいきん Meanings Noun aerobic bacteria See also: 嫌気性細菌 (けんきせいさいきん). Kanji 好 good. Read as コウ. 気 spirit. Read as いき. 性 nature. Read as セイ. 細 fine. Read as サイ. 菌 germ. Read as キン. Jinuma: Japanese Dictionary · Word lists