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.
UK:/njuːˈtɹiːnəʊ/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/nuˈtɹinoʊ/
rhymes with -iːnəʊ
CMU ARPABET:N UW0 T R IY1 N OW0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An elementary particle that is classified as a lepton, and has an extremely small but nonzero mass and no electric charge. It interacts with the surroundings only via the weak force or gravitation, making it very difficult to detect.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
an elementary particle with zero charge and zero mass
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: lepton
History
Etymology
Coined by Italian physicist Enrico Fermi in 1933 from neutron + the Italian diminutive suffix -ino; by surface analysis, neutr(o)- + -ino.
Across languages
Translations
61 source translations are retained for this English entry.
Afrikaans:
neutrino
— An elementary particle with extremely small mass and no electric charge
Arabic:
نْيُتْرِينُو
(nyutrinū)
— An elementary particle with extremely small mass and no electric charge
Aragonese:
neutrino
— An elementary particle with extremely small mass and no electric charge
Armenian:
նեյտրինո
(neytrino)
— An elementary particle with extremely small mass and no electric charge
Asturian:
neutrín
— An elementary particle with extremely small mass and no electric charge
Azerbaijani:
neytrino
— An elementary particle with extremely small mass and no electric charge
Basque:
neutrino
— An elementary particle with extremely small mass and no electric charge
Belarusian:
нейтрына
(njejtryna)
— An elementary particle with extremely small mass and no electric charge
Bulgarian:
неутри́но
(neutríno)
— An elementary particle with extremely small mass and no electric charge
Catalan:
neutrí
— An elementary particle with extremely small mass and no electric charge
Chinese Mandarin:
中微子
(zhōngwēizǐ)
— An elementary particle with extremely small mass and no electric charge
Czech:
neutrino
— An elementary particle with extremely small mass and no electric charge
Danish:
neutrino
— An elementary particle with extremely small mass and no electric charge
Dutch:
neutrino
— An elementary particle with extremely small mass and no electric charge
Esperanto:
neŭtrino
— An elementary particle with extremely small mass and no electric charge
Estonian:
neutriinod
— An elementary particle with extremely small mass and no electric charge
Finnish:
neutriino
— An elementary particle with extremely small mass and no electric charge
French:
neutrino
— An elementary particle with extremely small mass and no electric charge
West-Frisian:
neutrino
— An elementary particle with extremely small mass and no electric charge
Galician:
neutrino
— An elementary particle with extremely small mass and no electric charge
Georgian:
ნეიტრინო
(neiṭrino)
— An elementary particle with extremely small mass and no electric charge
German:
Neutrino
— An elementary particle with extremely small mass and no electric charge
Greek:
νετρίνο
(netríno)
— An elementary particle with extremely small mass and no electric charge
Hebrew:
נייטרינו
— An elementary particle with extremely small mass and no electric charge
Hungarian:
neutrínó
— An elementary particle with extremely small mass and no electric charge
Icelandic:
fiseind
— An elementary particle with extremely small mass and no electric charge
Ido:
neutrino
— An elementary particle with extremely small mass and no electric charge
Indonesian:
neutrino
— An elementary particle with extremely small mass and no electric charge
Interlingua:
neutrino
— An elementary particle with extremely small mass and no electric charge
Italian:
neutrino
— An elementary particle with extremely small mass and no electric charge
Japanese:
中性微子
(chūseibishi)
— An elementary particle with extremely small mass and no electric charge
Japanese:
ニュートリノ
(nyūtorino)
— An elementary particle with extremely small mass and no electric charge
Kazakh:
нейтрино
(neitrino)
— An elementary particle with extremely small mass and no electric charge
Khmer:
អព្យាកតាប្ប
(apyie kɑɑt appa’)
— An elementary particle with extremely small mass and no electric charge
Korean:
중성미자
(jungseongmija)
— An elementary particle with extremely small mass and no electric charge
Kyrgyz:
нейтрино
(neytrino)
— An elementary particle with extremely small mass and no electric charge
Latin:
neutrino
— An elementary particle with extremely small mass and no electric charge
Latin:
neutrīnum
— An elementary particle with extremely small mass and no electric charge
Macedonian:
неутрино
(neutrino)
— An elementary particle with extremely small mass and no electric charge
Malay:
neutrino
— An elementary particle with extremely small mass and no electric charge
Māori:
nuterino
— An elementary particle with extremely small mass and no electric charge
Norwegian:
neutrino
— An elementary particle with extremely small mass and no electric charge
Polish:
neutrino
— An elementary particle with extremely small mass and no electric charge
Portuguese:
neutrino
— An elementary particle with extremely small mass and no electric charge
Romanian:
neutrino
— An elementary particle with extremely small mass and no electric charge
Russian:
нейтри́но
(nejtríno)
— An elementary particle with extremely small mass and no electric charge
Sardinian:
neutrinu
— An elementary particle with extremely small mass and no electric charge
Serbo-Croatian:
неутри́но
— An elementary particle with extremely small mass and no electric charge
Serbo-Croatian:
neutríno
— An elementary particle with extremely small mass and no electric charge
Sicilian:
neutrinu
— An elementary particle with extremely small mass and no electric charge
Slovak:
neutríno
— An elementary particle with extremely small mass and no electric charge
Slovene:
nevtrino
— An elementary particle with extremely small mass and no electric charge
Spanish:
neutrino
— An elementary particle with extremely small mass and no electric charge
Sundanese:
neutrino
— An elementary particle with extremely small mass and no electric charge
Swedish:
neutrino
— An elementary particle with extremely small mass and no electric charge
Tagalog:
awansikin
— An elementary particle with extremely small mass and no electric charge
Thai:
นิวทริโน
— An elementary particle with extremely small mass and no electric charge
Thai:
นิวตริโน
— An elementary particle with extremely small mass and no electric charge
Turkish:
nötrino
— An elementary particle with extremely small mass and no electric charge
Ukrainian:
нейтрино
(nejtryno)
— An elementary particle with extremely small mass and no electric charge
Uzbek:
neytrino
— An elementary particle with extremely small mass and no electric charge
