What does AO stand for?

What does AO mean?

AO	abdominal obesity Medical » British Medicine
AO	Academic Office Academic & Science » Universities
AO	Access Orlando Medical » Hospitals
AO	Accompaniment Only Community » Music
AO	Account Of Business » Accounting
AO	Accountable Officer Medical » British Medicine
AO	accreditation organisation Medical » British Medicine
AO	acid output Medical » British Medicine
AO	Acousto Optic Academic & Science » Electronics
AO	acridine orange Medical » British Medicine
AO	Action Officer Governmental » Military
AO	Adaptive Optics Academic & Science » Physics
AO	Adjustable Objective Medical » Physiology
AO	Administratieve Organisatie Miscellaneous » Unclassified
AO	Administration Officer Governmental » Military
AO	administrative occupations Governmental » Military
AO	Administrative Officer Governmental » Military
AO	Administrative Officer Governmental » FDA
AO	Administrative Ownership Community » Housing
AO	adult onset Medical » British Medicine
AO	Adults Only Community » Film Censorship
AO	Advanced Optics Academic & Science » Physics
AO	adverse outcome Medical » British Medicine
AO	Aerial Observer Governmental » Military
AO	Aesthetic Objective Governmental » Environmental