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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 /

noun

  1. baccalaureate.

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

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 Hungarian government has said BAC had "no manufacturing or operational site" in the country.

From BBC • Sep. 20, 2024

All Secretaries of Commerce since 1933 have served as ex-officio General Chairman of the BAC.

From The Invisible Government by Smoot, Dan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.