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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

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

The BAC, powerful in its composition and with an inside track, is thus a special force.

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

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

The bac took place one week and the correction took place the following week.

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

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 Windham, W. G.

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