This is the 4810th most frequent Turkish word.
dörtlü
"Quartet" or "group of four."
In this sentence, 'dörtlü' refers to a system or mechanism that involves four separate connections or units.
Bu cihazda dörtlü bağlantı sistemi kullanılıyor.
This device uses a quadruple connection system.
Here, 'dörtlü' qualifies an item set, indicating it contains four parts or items.
Dörtlü bardak setini almak istiyorum.
I want to buy the set of four glasses.
Here, 'dörtlü' describes a group consisting of four members.