(Askeri) Hava Muharebe Komutanlığı; hava unsuru komutanı; bölge koordinasyon merkezi (Air Combat Command; air component commander; area coordination center)
author-created character, Internet slang, referring to the practice of creating a new character wholesale who is added into a fanfic's cast of 'official' characters. (The characters created by the official original creator are not considered ACC.) The practice is generally discouraged unless the character plays a small role and never overtakes the existing characters' importance in a story; those that do are often accused of being "Mary Sues" or "Self Inserts"
(Tıp, İlaç) The Anterior cingulate cortex (ACC): It is the frontal part of the cingulate cortex, which resembles a "collar" form around the corpus callosum, the fibrous bundle that relays neural signals between the right and left cerebral hemispheres of the brain
Air Combat Command Comprised of former Strategic and Tactical Air Command units, performing air support and air defense missions and associated with NORAD
a command that is the primary provider of air combat weapon systems to the United States Air Force; operates fighter and bomber and reconnaissance and and battle-management and rescue aircraft
Adaptive Cruise Control; the ACC system scans the area ahead of a car for objects - mainly other cars - and applies the brakes automatically if a collision is likely to occur