(computing) An operational mode of x86-64 computers which enables 64-bit addressing, running older 32-bit code in compatibility mode and foregoing support for real-mode applications entirely.

(grammar) The subjunctive mood.

(grammar) The subjunctive mood.

(computing) The default operational mode of x86-compatible CPUs, offering direct software access to all memory and peripherals but without the advanced features of protected mode.

(computing) An operational mode of x86-compatible CPUs, in which software can use features such as virtual memory, paging, and safe multitasking.

Either of two modes in which a device is designed to operate

(physics) Describing a laser in which several modes of oscillation are synchronized so as to generate a strong, short pulse of light

The phenomenon of a wiki being used for discussions.

(programming) The mode of the compiler where the code is compiled for the end user, most often with optimisations.

(programming) The mode of a compiler or IDE that allows for debugging, with the availability of information such as variable names and line numbers from the source code.