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单词 neutrino
释义

WordReference Random House Learner's Dictionary of American English © 2024
neu•tri•no /nuˈtrinoʊ, nyu-/USA pronunciation   n. [countable], pl. -nos. 
  1. Physicsa subatomic particle with no mass or very little mass, that is electrically neutral.

WordReference Random House Unabridged Dictionary of American English © 2024
neu•tri•no  (no̅o̅ trēnō, nyo̅o̅-),USA pronunciation n., pl. -nos. [Physics.]
  1. Physicsany of the massless or nearly massless electrically neutral leptons. There is a distinct kind of neutrino associated with each of the massive leptons. Cf. antineutrino, lepton, conservation of lepton number. 
  • Italian (1933), equivalent. to neutr(o) neuter, neutral + -ino -ine2; coined by English. Fermi

Collins Concise English Dictionary © HarperCollins Publishers::
neutrino /njuːˈtriːnəʊ/ n ( pl -nos)
  1. a stable leptonic neutral elementary particle with very small or possibly zero rest mass and spin ½ that travels at the speed of light. Three types exist, associated with the electron, the muon, and the tau particle
Etymology: 20th Century: from Italian, diminutive of neutrone neutron
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更新时间:2024/11/11 5:26:13