化

-か【-化】

●高齢化 ⇒こうれいか

・映画化する make 《a story》 into a movie [film]; film 《a novel》; make a movie [film] of….

●電子機器は皆小型化の傾向を示している. All electronic equipment is showing a tendency to grow smaller [being increasingly miniaturized].

・凶悪犯罪が若年齢化している. The average age of those committing violent crimes is getting lower and lower. | Perpetrators of violent crime are increasingly young.