How to Say Atomic Bomb in Japanese

Learning how to say specific terms in different languages can be both intriguing and useful. If you are interested in knowing how to say “atomic bomb” in Japanese, you’ve come to the right place. In this guide, we will explore the formal and informal ways of expressing this term, as well as any regional variations that might exist. Whether you’re a language enthusiast, a history buff, or simply curious, this article will provide you with the tips and examples you need.

Formal Way of Saying Atomic Bomb in Japanese

In formal contexts, the term for “atomic bomb” in Japanese is “原子爆弾” (genshi bakudan). Let’s break down this term to understand its components:

  • 原子 (genshi) – This translates to “atomic” and consists of the kanji character “原” (gen) meaning “origin” or “source,” and “子” (shi) meaning “particle” or “atom.”
  • 爆弾 (bakudan) – This translates to “bomb” and combines the kanji character “爆” (baku) meaning “explosion” or “blast,” and “弾” (dan) meaning “projectile” or “bullet.”

Together, “原子爆弾” (genshi bakudan) represents the formal term for atomic bomb in Japanese. This is the most commonly used expression, particularly in academic, scientific, and historical discussions.

Informal Ways to Express Atomic Bomb

While the formal term is more widely used, there are informal ways to express “atomic bomb” in Japanese as well. Here are a few options you may come across in casual conversations:

  1. アトミックボム (Atomikkubomu) – As a borrowed term from English, “アトミックボム” (Atomikkubomu) is recognized in Japan and frequently used in informal contexts.
  2. 原爆 (genbaku) – This abbreviated form is derived from the first characters of “原子爆弾” (genshi bakudan). It’s commonly used, especially considering the historical significance of the atomic bombings of Hiroshima and Nagasaki during World War II.
  3. 核爆弾 (kaku bakudan) – While not as commonly used as the previous options, “核爆弾” (kaku bakudan) translates to “nuclear bomb.” It’s worth mentioning, as the term “atomic bomb” is sometimes used interchangeably with “nuclear bomb” in English.

Examples in Context

To better understand the usage of these terms, let’s explore a few examples of how they can be used in sentences:

Example 1: 学校で原子爆弾について研究しています。
Translation: I am researching about atomic bombs at school.

Example 2: セカンドワールドウォーでは広島と長崎に原爆が投下された。
Translation: Atomic bombs were dropped on Hiroshima and Nagasaki during World War II.

Example 3: 映画はアトミックボムをテーマにしています。
Translation: The movie revolves around the theme of atomic bombs.

These examples illustrate the different contexts in which each term can be used. By utilizing the appropriate term, you can effectively communicate your ideas and engage in conversations about atomic bombs in Japanese.

Regional Variations

Regarding regional variations, the aforementioned terms are widely understood and used throughout Japan. However, it’s worth noting that word usage and preferences may slightly differ based on dialects or local variations in certain regions. These regional differences, though subtle, contribute to the rich tapestry of the Japanese language.


Congratulations! You have now learned how to say “atomic bomb” in Japanese. You are equipped with both the formal and informal terms, along with examples and additional insights into regional variations. Whether you’re engaging in academic discussions, enjoying casual conversations, or exploring the historical significance of the atomic bombings, this knowledge will prove valuable. Remember to use the appropriate term based on the context, and continue expanding your Japanese vocabulary. Happy learning!

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