空くう気き浄じょう化か機きMeaningsNoun1. air purifier; air filterKanji used空empty air気state of mind浄cleanse化transformation機machineComposed of空くう気きair; atmosphere; mood; situationNoun浄じょう化かpurification; cleanup (e.g. of politics); purgeNoun機きchance; opportunity; machine; aircraft; counter for aircraft; counter for (remaining) livesNoun