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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

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 address appeared to be shared by 12 other companies - and no-one in the building could tell us anything about BAC Consulting at all.

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 David Eugene Smith

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

Some take the bac 2-3 times without succeeding.

From US News Sep. 22, 2016

"It's over I'm bac on my cool ... no harm no foul," he wrote in the caption, adding "much love @troubleman31t respect sorry bout that"

From Los Angeles Times Oct. 16, 2014

"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

We crossed the 37 Djelish in a bac, or flying bridge, and reached Afreville about ten o’clock.

From Notes in North Africa Being a Guide to the Sportsman and Tourist in Algeria and Tunisia by W. G. Windham

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