A-bomb

noun

ˈā-ˌbäm 

: atomic bomb sense 1

No city in the U.S. is ready for an A-bomb attack—though test programs are under way for Washington, D.C., Chicago and Seattle.

—Time, 1950

Examples of A-bomb in a Sentence

Recent Examples on the Web

Basic science, including theoretic work, was absolutely essential to the A-bomb project and will be so for quantum computing, fusion (which the report promotes), and next-generation fission. — Scott Montgomery, Forbes.com, 4 Aug. 2026

If dragons are nukes, Vhagar is an H-bomb while everyone else still has lesser A-bombs. — Kelly Lawler, USA Today, 20 June 2026

Back then, America feared an armada of Soviet bombers laden with A-bombs barreling over the horizon, dodging our few anti-aircraft batteries, and dropping their deadly payloads on undefended American cities. — Barry Scott Zellen, Hartford Courant, 22 Jan. 2026

Surviving the A-bomb at age 3 Mimaki was 3 years old in 1945. — Anthony Kuhn, NPR, 16 Aug. 2025

Word History

Etymology

by abbreviation

First Known Use

1945, in the meaning defined above

Rhymes for A-bomb

• aplomb
• balaam
• begam
• cocom
• embalm
• islam
• pogrom
• salaam
• sitcom
• balm
• bom
• bomb

Kids Definition

A-bomb

noun

ˈā-ˌbäm

: atomic bomb