This is the 15147th most frequent Turkish word.
sistemdir
"Sistemdir" means "it is a system" in English.
In this sentence, 'sistemdir' is a predicate used to define the subject 'eğitim sistemi' clearly, affirming that it is recognized as a 'sistem'.
Bu okulda kullanılan eğitim sistemi oldukça etkili bir sistemdir.
The education system used in this school is quite effective.
Here, 'sistemdir' labels and categorizes the subject as a 'system', emphasizing its scale and complexity.
Bütün parçaların düzenli bir şekilde çalıştığından emin olmalı çünkü bu büyük bir sistemdir.
You must ensure that all parts work in an organized manner because this is a large system.
In this case, 'sistemdir' assesses and identifies the subject 'yazılım', implying its sophistication and function as a system.