老龄化lǎolínghuàTop 25000Meanings1. aging (population)Characters used老old龄age化to changeExamples1老龄化lǎolínghuà的de人口rénkǒu需要xūyào更gèng多duō医疗保健yīliáobǎojiàn支出zhīchū。An aging population will require more spending on health care.