WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / antineutrino antineutrino noun /æntinutrinoʊ/ 5 syllables 12 letters Scrabble 12 WWF 16 Definitions noun the antiparticle of a neutrino Look “antineutrino” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →