Phrase guide

up quark

noun · 3 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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1

noun

Meaning 1

A quark having a fractional electric charge of +2/3 and a mass of about 1.5 to 4 MeV.

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 quark having a fractional electric charge of +2/3 and a mass of about 1.5 to 4 MeV. Symbol: u

Symbol: u

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

3

noun

Meaning 3

a stable quark with an electric charge of +2/3 and a mass 607 times that of an electron

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: quark

History

Etymology

No etymology was provided for this word.

Across languages

Translations

27 source translations are retained for this English entry.

  • Afrikaans: op-kwark — up quark
  • Arabic: كُوَارْك عُلْوِيّ (kuwark ʕulwiyy) — up quark
  • Armenian: u-քվարկ (u-kʻvark) — up quark
  • Basque: goi quark — up quark
  • Catalan: quark dalt — up quark
  • Chinese Mandarin: 上夸克 (shàngkuākè) — up quark
  • Danish: up-kvark — up quark
  • Esperanto: u-kvarko — up quark
  • Estonian: u-kvark — up quark
  • Estonian: up-kvark — up quark
  • Finnish: ylöskvarkki — up quark
  • Finnish: ylös-kvarkki — up quark
  • French: quark haut — up quark
  • French: quark up — up quark
  • Georgian: ზემო კვარკი (zemo ḳvarḳi) — up quark
  • Hungarian: up kvark — up quark
  • Hungarian: u kvark — up quark
  • Italian: quark up — up quark
  • Japanese: アップクォーク (appu kuwōku) — up quark
  • Korean: 위 쿼크 (wi kwokeu) — up quark
  • Lithuanian: aukštyn kvarkas — up quark
  • Malay: kuark naik — up quark
  • Portuguese: quark up — up quark
  • Russian: ве́рхний кварк (vérxnij kvark) — up quark
  • Spanish: quark arriba — up quark
  • Swedish: uppkvark — up quark
  • Turkish: yukarı kuark — up quark