英语词汇“neutron”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	neutron
释义	WordReference Random House Learner's Dictionary of American English © 2024 neu•tron /ˈnutrɑn, ˈnyu-/USA pronunciation n. [countable] Physicsa particle found in the nucleus of most atoms, having no charge, and a mass slightly greater than that of a proton. WordReference Random House Unabridged Dictionary of American English © 2024 neu•tron (no̅o̅′tron, nyo̅o̅′-),USA pronunciation n. [Physics.] Physicsan elementary particle having no charge, mass slightly greater than that of a proton, and spin of ½: a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n neutr(o)- + -on¹ 1920–25 Collins Concise English Dictionary © HarperCollins Publishers:: neutron /ˈnjuːtrɒn/ n a neutral elementary particle with a rest mass of 1.674 92716 × 10^–27 kilogram and spin ½; classified as a baryon. In the nucleus of an atom it is stable, but when free it decays Etymology: 20th Century: from neutral, on the model of electron
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更新时间：2024/9/21 10:28:52