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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

And Bank of America BAC 2.72%increase; green up pointing triangle is expected to bring in the biggest-ever disclosed deal fee for a single bank, a cool $130 million.

From The Wall Street Journal Oct. 14, 2025

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

From BBC Sep. 20, 2024

Thus ∠A is read "BAC," the reflex angle on the outside of the triangle being read "CAB."

From The Teaching of Geometry by Smith, David Eugene

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 bac had been the sole requirement to graduate and move on to university — grades being seen as too susceptible to bias and gamesmanship.

From Los Angeles Times Dec. 14, 2018

Some take the bac 2-3 times without succeeding.

From US News Sep. 22, 2016

"Now I hate Victor Hugo, Aragon and Roy. No in fact I hate poetry. No, no, in fact I hate the bac, period."

From BBC Jun. 19, 2014

It consists of monosyllables in which the final and redundant k is not written,—“Dic gave Jac a kic when Jac gave Dic a knoc on the bac with a thic stic.”

From Amenities of Literature Consisting of Sketches and Characters of English Literature by Disraeli, Isaac

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