Iowa, a state of the United States of America. / (military, uncountable) Initialism of Indian Army. / (India, initialism) Initialism of Indian Airlines. / (military) Initialism of Iraqi Army.

(Arabic English) inshallah; God willing

Initialism of immediate action. (the procedure to determine the cause of a rifle stoppage) / Initialism of Institute of Arts. / (computing) Initialism of information assurance.

Used in forming names of countries, diseases, flowers, and rarely collections of things (such as militaria, deletia).

Used in forming plurals of nouns in -ium and -ion.

(aviation) Initialism of indicated airspeed. / (aviation, travel) Initialism of insert after segment; GDS code, and used on older types of airline keyboards.

plural of IA

(computing, usually attributive) The 32-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture or its later 64-bit extension).

(computing) An EPIC 64-bit instruction set architecture designed to allow relatively simple, cheap CPUs to execute many 64-bit instructions simultaneously and with potentially very high performance; developed by Intel in the late 1990s with the intent of replacing the older x86 architecture, but was delayed and proved uncompetitive with x86 (especially x86-64), seeing use only in Intel's own Itanium line of high-end CPUs.

(sports, historical) Initialism of International Amateur Athletics Federation (1912–2001) and International Association of Athletics Federations (2001–2019). Organization renamed World Athletics in 2019.