Phrase guide

beta particle

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 energetic electron or positron produced as the result of a nuclear reaction or nuclear decay.

Definition source: English Wiktionary via Wiktextract

Usage: particle

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a high-speed electron or positron emitted in the decay of a radioactive isotope

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: particle, subatomic particle

History

Etymology

No etymology was provided for this word.

Across languages

Translations

22 source translations are retained for this English entry.

  • Chinese Mandarin: β粒子 (β-lìzǐ) — energetic electron or positron
  • Chinese Mandarin: 貝塔粒子 /贝塔粒子 (bèitǎ lìzǐ) — energetic electron or positron
  • Czech: částice beta — energetic electron or positron
  • Danish: betapartikel — energetic electron or positron
  • Dutch: bètadeeltje — energetic electron or positron
  • Finnish: beetahiukkanen — energetic electron or positron
  • German: Beta-Teilchen — energetic electron or positron
  • Icelandic: betaeind — energetic electron or positron
  • Icelandic: betaögn — energetic electron or positron
  • Indonesian: partikel beta — energetic electron or positron
  • Indonesian: zarah beta — energetic electron or positron
  • Japanese: β粒子 (bēta ryūshi) — energetic electron or positron
  • Japanese: ベータ粒子 (bēta ryūshi) — energetic electron or positron
  • Malay: zarah beta — energetic electron or positron
  • Malay: partikel beta — energetic electron or positron
  • Polish: cząstka beta — energetic electron or positron
  • Romanian: particulă beta — energetic electron or positron
  • Russian: бе́та-части́ца (béta-častíca) — energetic electron or positron
  • Russian: β-части́ца (β-častíca) — energetic electron or positron
  • Swedish: betapartikel — energetic electron or positron
  • Tagalog: tipik-beta — energetic electron or positron
  • Xibe: ᠪᡝᡞᡨᠠ ᡩᠠᡨᡝᡢᡤᡝ ᡫᠠᡥᠠ (beta datengge faha) — energetic electron or positron