(Askeri) DÖNÜŞÜ OLMAYAN NOKTA: Bir uçağın uçuş yolu üzerindeki, yedeğindeki yakıtla gidip kendi üssüne veya ortak bir üsse dönebileceği en uzak noktanın daha ilerisindeki bir nokta
The point in any journey, process, or sequence of events when it is no longer possible to reverse course or stop the process
A record loss of sea ice in the Arctic this summer has convinced scientists that the northern hemisphere may have crossed a critical threshold beyond which the climate may never recover.
critical point in the process of a decision-making or undertaking where it becomes impossible to stop or discontinue the course of action or policy; (Aviation) point during a flight at which an aircraft does not have sufficient fuel to return to its starting point