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

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

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

And Bank of America BAC 2.72%increase; green up pointing triangle is expected to bring in the biggest-ever disclosed deal fee for a single bank, a cool $130 million.

From The Wall Street Journal • Oct. 14, 2025

But based on initial conversations, it said it did not have any involvement with BAC.

From BBC • Sep. 20, 2024

“I know it’s something about squares, and ABC, and BAC, and CAB, and—but you produce the lines.”

From Quicksilver The Boy With No Skid To His Wheel by Dadd, Frank