Dictionary.com
Thesaurus.com
Jump To:
  • 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.

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 2.52%increase; green up pointing triangle reported third-quarter earnings and revenue that bested analysts’ expectations, thanks to healthy consumer activity and a busy summer in its investment banking division.

From The Wall Street Journal • Oct. 15, 2025

Mr Hsu said that three years ago he had licensed Gold Apollo’s trademark to BAC, allowing them to use Gold Apollo’s name on their own pagers.

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "BAC" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com