空くう洞どう化か現げん象しょうMeaningsNoun1. hollowing-out phenomenonKanji used空empty air洞cave化transformation現right now象elephantComposed of空くう洞どうcavity; hollow; cave; cavernNoun化かchange to ...; becoming ...; making into ...; -ization; -ificationSuffix現げん象しょうphenomenonNoun