Meaning & Definition of word "Neutrino"

Neutrino

/njuːˈtriː.noʊ/

noun:

  • 1. A neutrally charged subatomic particle with a very small mass that interacts only via the weak nuclear force and gravity.
    • Example: Neutrinos are produced in large quantities in nuclear reactions, such as those occurring in the sun.
  • 2. A fundamental particle in the Standard Model of particle physics.
    • Example: The discovery of the three types of neutrinos has advanced our understanding of particle physics.
  • 3. A particle associated with certain types of radioactive decay.
    • Example: When a neutron decays into a proton, it emits a neutrino.

Etymology

The term 'neutrino' is derived from the Italian word 'neutro' meaning 'neutral,' with the suffix '-ino' denoting smallness.

Common Phrases and Expressions

neutrino oscillation:

The phenomenon where neutrinos change their type or 'flavor' as they travel.

electron neutrino:

One of the three types of neutrinos associated with the electron.

muon neutrino:

The type of neutrino associated with the muon particle.

Related Words

antineutrino:

The antiparticle of the neutrino, which has the same mass as a neutrino but opposite quantum numbers.

neutrino astronomy:

A branch of astronomy that studies astronomical phenomena through the detection of neutrinos.

Slang Meanings of neutrino