気道感染 きどうかんせん Meanings Noun respiratory tract infection; RTI See also: 呼吸器感染 (こきゅうきかんせん). Kanji 気 spirit. Read as キ. 道 road. Read as ドウ. 感 feel. Read as カン. 染 stain. Read as セン. Word lists Medicine Jinuma: Japanese Dictionary · Word lists