Blood alcohol content or blood alcohol concentration

Blood Alcohol Content

The baccalauréat (pronounced [bakaloʀeˈa]), often known in France colloquially as le bac, is an academic qualification which French and international students sit at the end of the lycée (secondary or high...

Bacterial artificial chromosome

The British Aircraft Corporation

Belmont Abbey College

Born Again Christian

Basic Airborne Course (United States Army Airborne School)

Battersea Arts Centre

BACEngine data search tool

The Boston Architectural College, formerly known as The Boston Architectural Center.

Basic Access Control used in biometric passports

Benedicta Arts Center

Badminton Asia Confederation, an Asian governing body for badminton

BAC is the shortened form of bronchioloalveolar carcinoma, a type of lung cancer often diagnosed in nonsmokers. (When pronounced it is spelled out B-A-C.)

Bac is often used as a shortened form for Baccalaureate.

The Big Apple Chorus

Bank of America, N.A., under the New York Stock Exchange ticker symbol system

Birds Australia Capricornia, a regional group of Royal Australasian Ornithologists Union

Boeing Airplane Company, the former name of Boeing Commercial Airplanes

.BAC was the filetype used by the RSTS/E timesharing system for compiled BASIC-PLUS files.

Bâc, a Moldovan river.