abbreviation Technical meaning of AAC Advanced Audio Coding 3
noun Definition of aac in Technology (audio) (AAC) A successor to MP3, allowing lower bit rates and more stable quality. See MPEG-2 AAC Low Profile and MPEG-4 AAC Main Profile. 1
noun aac Initialism of affirmative action clause. 0
noun aac (military) Initialism of anti-aircraft cannon. 0
noun aac Initialism of automatic aperture control. 0
