plural of X-ray absorbing glass

(computing) A windowing system for bitmap displays, common on Unix-like operating systems.

Specifically, the 32-bit version of the x86 instruction set architecture. / (rare) Specifically, the original, 16-bit version of the x86 instruction set architecture.

(computing) Initialism of extensible access control markup language.

(computing) A superset of the x86 instruction set architecture, providing additional support for 64-bit addressing while remaining mostly backward compatible with older applications.

(computing) An extension to the x86 CPU instruction set architecture, providing direct hardware support for advanced floating-point arithmetic operations (rather than requiring them to be emulated in software).

Synonym of Turner syndrome

In Tibetan cuisine, dough stuffed with shredded turnips and dry curd cheese and cooked with bone soup.

Alternative spelling of x86-64

(biology) The system that determines the sex of offspring among grasshoppers, crickets, cockroaches, and some other insects, in which females have two sex cells (XX) and males have only one sex cell (X0, or simply X; the 0 signifies the lack of another X).