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  • BAC
    BAC
    abbreviation
    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
    bac
    noun

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 /

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.

See Examples For:

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

Bank of America BAC 2.52%increase; green up pointing triangle reported third-quarter earnings and revenue that bested analysts’ expectations, thanks to healthy consumer activity and a busy summer in its investment banking division.

From The Wall Street Journal ● Oct. 15, 2025

But based on initial conversations, it said it did not have any involvement with BAC.

From BBC ● Sep. 20, 2024

“I know it’s something about squares, and ABC, and BAC, and CAB, and—but you produce the lines.”

From Quicksilver The Boy With No Skid To His Wheel by Frank Dadd

Cold bulk fermentation, also called pointage en bac in French, is a technique where the dough — all in one large mass — is placed into the refrigerator for some number of hours before dividing.

From Salon ● Jul. 7, 2021

The lack of transparency around how Parcoursup works led many to suspect it was introducing even greater selectivity and competition among students who were once guaranteed admission to university if they passed the bac.

From Los Angeles Times ● Dec. 14, 2018

Some take the bac 2-3 times without succeeding.

From US News ● Sep. 22, 2016

"A respectful thought to Victor Hugo who, on this day of French bac, shines a light on the vulgarity and stupidity of our time," writes a councillor from a town in northern France.

From BBC ● Jun. 19, 2014

They cannot be done away with since the French universities have become accessible for an ever increasing number of students since nearly 50% of the population pass their "bac" or final high school exam.

From The Modern Regime, Volume 2 by John Durand

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