proton

---

Etymology

From Ancient Greek πρῶτον, neuter of πρῶτος ("first").

Pronunciation

• (RP) IPA: /ˈpɹəʊ.tɒn/
• (America) IPA: /ˈpɹoʊ.tɑn/

Noun

proton (plural protons)

1. (particle) A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

   Comeronyms: neutron, electron

   Holonyms: atom, nucleus

   1. The atomic nucleus of protium (hydrogen-1)

      Coordinate terms: hydron, deuteron, triton

2. (obsolete, anatomy) Synonym of primordium

Synonyms

• p (symbolic)

Related terms

• protium
• protide

Translations

• French: proton
• German: Proton
• Italian: protone

  Brazilian: próton

  European: protão

• Russian: прото́н
• Spanish: protón

---

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.002