原げん爆ばく

げ

ん

ば

く

Common wordJLPTN1Freq.FrequencyTop 10,000

Meanings

1

abbreviation

Abbreviation of 原子爆弾. Commonly used in discussions of nuclear weapons, Hiroshima/Nagasaki, and anti-war contexts.

〈場ば所しょ〉に原げん爆ばくを投とう下かするto drop an atomic bomb on a place
アメリカは広ひろ島しまに原げん爆ばくを投とう下かした。
The United States dropped an atomic bomb on Hiroshima.
原げん爆ばくが爆ばく発はつするfor an atomic bomb to explode/detonate
その瞬しゅん間かん、原げん爆ばくが爆ばく発はつした。
At that moment, the atomic bomb exploded.

原げん水すい爆ばく
原爆 refers only to atomic bombs, while 原水爆 covers both atomic and hydrogen bombs together.
ピカ
原爆 is the standard, neutral word for atomic bomb used in formal and everyday contexts, while ピカ is a slangy, evocative abbreviation tied to survivor speech.

原げん子し爆ばく弾だんpolite 丁寧語
原爆 is the everyday abbreviation, while 原子爆弾 is the full, formal term used in official or technical contexts.

水すい爆ばくN1
原爆 refers to a fission-based atomic bomb, whereas 水爆 is a much more powerful hydrogen (fusion) bomb; learners often mix up the two nuclear weapon terms.

Abbreviation of 原子爆弾 (げんしばくだん, 'atomic bomb'), formed by taking the first kanji of each component.