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proton

美音:[´prəu´tɔn ]点这儿播放单词美音发声
英音:[´prəu´tɔn ]点这儿播放单词英音发声
n.[核]质子

难易程度:

proton为短语/超纲词汇

词形变化:

形容词:protonic

proton


/'prəʊtɒn; `protɑn/
n elementary particle with a positive electric charge, which is present in the nuclei of all atoms 质子. Cf 参看 electron, neutron.

proton


n[C]
[Date: 1800-1900; Language: Greek;Origin:'first thing', from protos; PROTO-]
a very small piece of matter with a positive electrical charge that is in the central part of an atom
electron, neutron neutron