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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

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

Bank of America BAC -1.91%decrease; red down pointing triangle held its first investor day in more than a decade Wednesday to sell Wall Street on a story of bigger profits and faster growth.

From The Wall Street Journal Nov. 5, 2025

The BBC went to the registered office of BAC Consulting, situated in a residential area of the Hungarian capital, Budapest.

From BBC Sep. 20, 2024

BAC helped push Senator Joe McCarthy over the brink in 1954, by supplying a bit of backbone to the Eisenhower Administration at the right time.

From The Invisible Government by Dan Smoot

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

"Victor Hugo because of you I flunked my bac."

From BBC Jun. 19, 2014

For example, abc, acb, bac, bca, cab, cba.

From The Christian Foundation, Or, Scientific and Religious Journal, April, 1880 by Aaron Walker

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