An operating system on which the Win32 API is implemented. It is a portable, high-end operating system, which supports multitasking. It is the only operating system that allows implementation of the Win32 APIs on machine architectures based on processors other than the x86 series, and it supports multiple processors. See Win32 API.
(Windows New Technology) An 32-bit operating system developed by Microsoft. Introduced in 1993, NT does not use DOS, it is a self-contained operating system that runs 16-bit and 32-bit Windows applications as well as DOS applications.
Windows New Technology. An advanced, self contained 32-bit operating system from Microsoft.