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BNC: 10937 COCA: 12172

proton

Word family
Related topics: Physics
pro·ton /ˈprəʊtɒn $ ˈproʊtɑːn/ noun [countableC]  
HPa very small piece of matter with a positive electrical charge that is in the central part of an atom 质子 electron, neutron5 see picture at 见图 atom
Examples from the Corpus
Origin proton
(1800-1900) Greek first thing, from protos; → PROTO-
pro·ton noun
Chinese
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