# neutrino
## English
### Etymology

Coined by Italian physicist Enrico Fermi in 1933 from neutron + the Italian diminutive suffix -ino; by surface analysis, neutr(o)- +‎ -ino.

### Pronunciation

* (UK) IPA: /njuːˈtɹiːnəʊ/
* Audio (Southern England):(file)
* (General American) IPA: /nuˈtɹinoʊ/
* Rhymes: -iːnəʊ
* Hyphenation: neu‧tri‧no

### Noun

neutrino (plural neutrinos)
* 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.
** 2011 September 22, Nick Collins, “Speed of light 'broken' by scientists”, in Daily Telegraph‎:But researchers at the CERN lab near Geneva claim they have recorded neutrinos, a type of tiny particle, travelling faster than the barrier of 186,282 miles (299,792 kilometres) per second.

#### Derived terms

* antielectron neutrino
* antimuon neutrino
* antineutrino
* cosmic neutrino background
* electron neutrino
* geoneutrino
* -ino
* muon neutrino
* neutralino
* neutrinic
* neutrino astronomy
* neutrinoless
* neutrino oscillation
* neutrinophilic
* neutrinosphere
* sneutrino
* solar neutrino
* sterile neutrino
* tau neutrino

#### Related terms

* neutro-
* neutron

#### Translations
## Czech
### Pronunciation

* IPA: [ˈnɛu̯triːno]

### Noun

neutrino n
* (physics) neutrino

#### Declension
## Dutch
### Pronunciation

* Audio:(file)

### Noun

neutrino n (plural neutrino's)
* (physics) neutrino

## French
### Pronunciation

* IPA: /nø.tʁi.no/
* Audio (Paris):(file)

### Noun

neutrino m (plural neutrinos)
* (physics) neutrino

### Further reading

* “neutrino”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

## Galician
### Noun

neutrino m (plural neutrinos)
* (physics) neutrino

## Ido
### Noun

neutrino (plural neutrini)
* (physics) neutrino

## Northern Sami
### Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

### Pronunciation

* This entry needs pronunciation information. If you are familiar with the IPA then please add some!

### Noun

neutrīno
* (physics) neutrino

#### Inflection

This noun needs an inflection-table template.

#### Further reading

* Koponen, Eino, Ruppel, Klaas, Aapala, Kirsti, editors (2002–2008), Álgu database: Etymological database of the Saami languages‎, Helsinki: Research Institute for the Languages of Finland

## Polish
### Etymology

Borrowed from English neutrino.

### Pronunciation

* IPA: /nɛwˈtri.nɔ/
* Audio:(file)
* Rhymes: -inɔ
* Syllabification: neu‧tri‧no

### Noun

neutrino n
* (particle physics) neutrino

#### Derived terms

* antyneutrino

### Further reading

* neutrino in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
* neutrino in Polish dictionaries at PWN

## Portuguese
### Pronunciation

* (Brazil) IPA: /newˈtɾĩ.nu/ [neʊ̯ˈtɾĩ.nu]
* (Brazil) IPA: /newˈtɾĩ.nu/ [neʊ̯ˈtɾĩ.nu]
** (Southern Brazil) IPA: /newˈtɾi.no/ [neʊ̯ˈtɾi.no]
* (Portugal) IPA: /newˈtɾi.nu/
* Hyphenation: neu‧tri‧no

### Noun

neutrino m (plural neutrinos)
* (physics) neutrino (en elementary particle with extremely small mass and no electric charge)

#### Derived terms

* antineutrino

## Romanian
### Etymology

Borrowed from French neutrino.

### Noun

neutrino m (uncountable)
* (physics) neutrino

#### Declension
## Serbo-Croatian
### Pronunciation

* IPA: /neutrǐːno/
* Hyphenation: ne‧u‧tri‧no

### Noun

neutríno m (Cyrillic spelling неутри́но)
* (physics) neutrino

#### Declension
## Spanish
### Pronunciation

* IPA: /neuˈtɾino/ [neu̯ˈt̪ɾi.no]
* Rhymes: -ino
* Syllabification: neu‧tri‧no

### Noun

neutrino m (plural neutrinos)
* (physics) neutrino

#### Derived terms

* antineutrino
* neutrino electrónico
* neutrino muónico
* neutrino tauónico

### Further reading

* “neutrino”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10