Phrase guide

fission bomb

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

An atomic bomb that uses nuclear fission as a source of energy

Definition source: English Wiktionary via Wiktextract

Examples

  • I heard the fission bomb test clearly and I was over a hundred miles away.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: atom bomb, atomic bomb, A-bomb, plutonium bomb

Antonyms: none provided

Broader terms: bomb, nuclear weapon, atomic weapon

Narrower terms: clean bomb, dirty bomb, neutron bomb

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • Danish: fissionsbombe — type of A-bomb
  • Finnish: fissiopommi — type of A-bomb
  • Polish: bomba atomowa — type of A-bomb