Nondetachable
Nondetachable refers to something that cannot be separated or removed from its original position or attachment. This term is often used in technical contexts, such as describing components of a device or elements of a system. If a part is nondetachable, it means it is permanently affixed or integrated, making any attempt to detach it difficult or impossible without causing damage or altering the functionality of the whole.
In computing, nondetachable elements might include certain software modules that are deeply embedded within the operating
The opposite of nondetachable is detachable, which describes components that are designed to be easily removed