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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

Big banks such as Chase, Bank of America BAC 1.15%increase; green up pointing triangle , Wells Fargo and Citigroup C 2.69%increase; green up pointing triangle have millions of customers they can sell mortgages to.

From The Wall Street Journal Feb. 18, 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

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

From BBC Sep. 20, 2024

A special delegation of BAC officials made it a point to journey from the hotel to the mountaintop airport to greet Stevens.

From The Invisible Government by Smoot, Dan

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

For the new bac, each student will be tested in French and philosophy.

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

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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