proton
proton
[ˈprəʊtɒn]
noun
protonic
adjective
语源
[ˈprəʊtɒn]
noun
- (Physics)a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
(物理)质子 - The mass of the proton is 1,836 times greater than that of the electron. The atoms of each chemical element have a characteristic number of protons in the nucleus; this is known as the atomic number. The common isotope of hydrogen has a nucleus consisting of a single proton
protonic
adjective
语源
- 1920s: from Greek, neuter of prōtos 'first'
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