高こう年ねん齢れい化かMeaningsNounSuru verbIntransitive verb1. ageing (of a population); agingKanji used高high年year齢age化transformationComposed of高こう年ねんold ageNoun齢れいinstar (developmental stage of arthropods)Noun化かchange to ...; becoming ...; making into ...; -ization; -ificationSuffix