Standard Lemma guide

graviton

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈɡɹavɪtɒn/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A hypothetical gauge boson that regulates the gravitational force. It would have a spin of 2 and zero rest mass.

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 gauge boson that mediates the (extremely weak) gravitational interactions between particles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: gauge boson

History

Etymology

From gravity + -on. Coined by Russian physicists Dmitrii Blokhintsev and F. M. Gal'perin in 1934, and reintroduced by English physicist Paul Dirac in 1959 in a lecture to the American Physical Society.

Across languages

Translations

36 source translations are retained for this English entry.

  • Armenian: գրավիտոն (graviton) — a hypothetical gauge boson
  • Basque: grabitoi — a hypothetical gauge boson
  • Bulgarian: гравито́н (gravitón) — a hypothetical gauge boson
  • Catalan: gravitó — a hypothetical gauge boson
  • Chinese Mandarin: 引力子 (yǐnlìzǐ) — a hypothetical gauge boson
  • Chinese Mandarin: 重力子 (zhònglìzǐ) — a hypothetical gauge boson
  • Czech: graviton — a hypothetical gauge boson
  • Danish: graviton — a hypothetical gauge boson
  • Dutch: graviton — a hypothetical gauge boson
  • Esperanto: gravitono — a hypothetical gauge boson
  • Finnish: gravitoni — a hypothetical gauge boson
  • French: graviton — a hypothetical gauge boson
  • German: Graviton — a hypothetical gauge boson
  • Gujarati: ગુરુત્વાણુ (gurutvāṇu) — a hypothetical gauge boson
  • Hindi: गुरुत्वाणु (gurutvāṇu) — a hypothetical gauge boson
  • Hungarian: graviton — a hypothetical gauge boson
  • Icelandic: þyngdareind — a hypothetical gauge boson
  • Irish: graibheatón — a hypothetical gauge boson
  • Italian: gravitone — a hypothetical gauge boson
  • Japanese: 重力子 (jūryokushi) — a hypothetical gauge boson
  • Khmer: ភូរិពលាណូ (phoo ri pol lea no) — a hypothetical gauge boson
  • Korean: 중력자 (jungnyeokja) — a hypothetical gauge boson
  • Marathi: गुरुत्वाणू (gurutvāṇū) — a hypothetical gauge boson
  • Nepali: गुरुत्वाणु (gurutvāṇu) — a hypothetical gauge boson
  • Norwegian Bokmål: graviton — a hypothetical gauge boson
  • Norwegian Nynorsk: graviton — a hypothetical gauge boson
  • Persian: گراویتون (gerâviton) — a hypothetical gauge boson
  • Polish: grawiton — a hypothetical gauge boson
  • Brazilian Portuguese: gráviton — a hypothetical gauge boson
  • European Portuguese: gravitão — a hypothetical gauge boson
  • Romanian: graviton — a hypothetical gauge boson
  • Russian: гравито́н (gravitón) — a hypothetical gauge boson
  • Sanskrit: गुरुत्वाणु (gurutvāṇu) — a hypothetical gauge boson
  • Spanish: gravitón — a hypothetical gauge boson
  • Swedish: graviton — a hypothetical gauge boson
  • Turkish: graviton — a hypothetical gauge boson