sterile neutrino
Word Rarity
Rare
Frequency: Zipf frequency 2.74 in modern English
15
Scrabble Score
15
Letters
4
Syllables
9
Unique Chars
Meaning
noun
A type of neutrino (and potentially dark matter), that may be supermassive, which has right-handed chirality, and only interacts with other particles by means of gravity.
Etymology
From sterile + neutrino, from being a neutrino which is sterile, being noninteractive through the four forces of the Standard Model.