The act of adapting a work (book, manga, etc.) into a film; turning something into a movie.
この小説は来年映画化される予定だ。
This novel is scheduled to be turned into a movie next year.
人気マンガが映画化されたが、原作ファンの評価は分かれた。
A popular manga was adapted into a film, but fans of the original were divided in their opinions.
映画化にあたって脚本が大幅に変更された。
The screenplay was extensively changed for the film adaptation.
多くの小説が映画化されるが、成功するとは限らない。
Many novels are adapted into films, but that doesn't guarantee success.