WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / N / nucleon nucleon noun /nukliɑn/ 3 syllables 7 letters Scrabble 9 WWF 14 Definitions noun a constituent (proton or neutron) of an atomic nucleus Look “nucleon” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →