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BAC

1 American  

abbreviation

  1. blood alcohol content; blood-alcohol concentration: the percentage of alcohol in the bloodstream: under the laws of most U.S. states, a BAC of 0.08 or higher is the legal definition of intoxication.

bac 2 American  
[bak] / bæk /

noun

  1. baccalaureate.

Etymology

Origin of BAC

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The daily chart has shown some absolute strength against peers, with BAC acting well on the ratio chart over the past year.

From Barron's • Mar. 11, 2026

Bank of America BAC -1.18%decrease; red down pointing triangle said its profit rose 12% in the fourth quarter of last year, as consumer spending climbed and delinquencies on credit cards edged lower.

From The Wall Street Journal • Jan. 14, 2026

Etienne, 36 years old, works for Bank of America BAC -0.24%decrease; red down pointing triangle in London.

From The Wall Street Journal • Dec. 26, 2025

Instead - he pointed to a Hungarian company: BAC Consulting.

From BBC • Sep. 20, 2024

But the angle BAC is equal to DAE, since each of them added to CAE makes a right angle.

From Treatise on Light by Huygens, Christiaan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.