Oxford Dictionary English elementary particle noun noun BrE BrE//ˌelɪmentri ˈpɑːtɪkl// ; NAmE NAmE//ˌelɪmentri ˈpɑːrtɪkl// (physics) Molecules and matter Add to my wordlistjump to other results any of the different types of very small pieces of matter (= a substance) smaller than an atom See related entries: Molecules and matterSee elementary particle in the Oxford Learner's Dictionary of Academic EnglishSee elementary particle in the Oxford Advanced American DictionaryCheck pronunciation: elementary particle oxfordlearnersdictionaries.com
