Oxford Dictionary English neutron noun noun BrE BrE//ˈnjuːtrɒn// ; NAmE NAmE//ˈnuːtrɑːn// (physics) Molecules and matter Add to my wordlistjump to other results a very small piece of matter (= a substance) that carries no electric charge and that forms part of the nucleus (= central part) of an atom see also electron, proton Wordfinderatomantiparticle, atom, electron, ion, neutron, nucleus, particle, positron, proton, valency Oxford Collocations DictionaryNeutron is used before these nouns: bomb See full entry See related entries: Molecules and matter Word Originearly 20th cent.: from neutral + -on.See neutron in the Oxford Learner's Dictionary of Academic EnglishSee neutron in the Oxford Advanced American DictionaryCheck pronunciation: neutron oxfordlearnersdictionaries.com
