English Explanatory Dictionary

proton

English dictionary entry

Meanings

noun
  1. 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.
  2. The atomic nucleus of protium (hydrogen-1)
  3. Synonym of primordium.

Pronunciation

/ˈpɹəʊ.tɒn/ /ˈpɹoʊ.tɑn/ en-us-proton.ogg

Word forms

proton protons

Etymology

Etymology tree Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *próder. Ancient Greek πρό (pró) Ancient Greek -ᾰτος (-ătos) Ancient Greek πρῶτον (prôton)lbor. English proton Learned borrowing from Ancient Greek πρῶτον (prôton), neuter of πρῶτος (prôtos, “first”). (physics): Coined by New Zealand-British scientist Ernest Rutherford in 1920, in analogy with electron (1891), and with an additional intention of honoring English chemist William Prout. Analyzable as proto- + -on (anatomy): A translation of German Anlage (“fundamental thing”) based on Aristotle’s phrase ἡ πρώτη οὐσία τὸ πρῶτον (hē prṓtē ousía tò prôton).

Synonyms

p primordium

Related words

protide protium neutron n electron e

Derived words

antiproton diproton interproton nonproton photoproton protic protonate protonation proton capture proton halo protonic protonics protonium protonize protonlike protonmotive proton number protonography protonolysis protonophore protonosphere proton pump proton therapy proton transfer protophobic prototropy quasiproton triproton

Translations

Albanian: proton Arabic: بْرُوتُون Armenian: պրոտոն Asturian: protón Basque: protoi Bengali: প্রোটন Breton: proton Breton: protonenn Bulgarian: прото́н Catalan: protó Chinese Cantonese: 質子 /质子 Chinese Mandarin: 質子 /质子 Czech: proton Danish: proton Dutch: proton Esperanto: protono Finnish: protoni French: proton Galician: protón German: Proton Greek: πρωτόνιο Gujarati: પ્રાણુ Hawaiian: huna ʻāne Hindi: प्रोटॉन Hindi: प्राणु Hungarian: proton Icelandic: róteind Ido: protono Indonesian: proton Interlingua: proton Irish: prótón Italian: protone Japanese: 陽子 Khmer: មូលាណូ Khmer: ប្រូតុង Korean: 양자 Korean: 양성자 Latin: proton Latin: protonis Latvian: protons Malay: proton Māori: iraoho Marathi: प्राणू Norwegian Bokmål: proton Norwegian Nynorsk: proton
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