# Tsar Bomba

> English word · Proper noun

## Definitions
1. A 50-megaton thermonuclear bomb, detonated by the Soviet Union in October 1961. It was the biggest nuclear bomb ever exploded.

## Etymology
Borrowed from Russian Царь-бо́мба (Carʹ-bómba, “emperor of bombs”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/tsar-bomba