A leptonic elementary particle, having near-zero mass and no charge

(astronomy) The detection and study of neutrinos, in order to investigate astronomical objects and the universe.

(physics) An antileptonic elementary particle that is the antiparticle of a muon neutrino

(physics) An antileptonic elementary particle that is the antiparticle of an electron neutrino

(particle physics) A type of neutrino (and potentially dark matter), that may be supermassive, which has right-handed chirality, and only interacts with other particles via gravity.

(astronomy) The universe's background particle radiation composed of neutrinos.

(astronomy) The region of a star or supernova rich in neutrinos.

plural of neutrinosphere

Of or pertaining to a neutrinosphere