This is the 4321st most frequent Japanese word.
制御
Control; regulation; management.
The word 『制御』 here refers to managing or controlling a system or parameter—specifically, temperature—in an automatic way.
この機械は自動的に温度を制御します。
This machine automatically controls the temperature.
The term 『制御』 is used to describe personal ability to regulate or manage emotions or mental states effectively.
彼は自分の感情を制御することが得意です。
He is good at controlling his emotions.
Here, 『制御』 is employed to denote the electronic or computational regulation of mechanical functions, such as engine speed.