| 单词 | neutron number |
| 释义 | neutron /nūˈtron/ (physics)nounAn uncharged particle of about the same mass as the proton ORIGIN: L neuter neither neutrettˈo noun (pl neutrettˈos)
neutrino /-trēˈnō/ noun (pl neutriˈnos) An uncharged particle with zero mass when at rest neutron bomb noun A type of nuclear bomb which destroys life by immediate intense radiation, without blast and heat effects to destroy buildings, etc neutron number noun The number of neutrons in the nucleus of an atom neutron poison noun Non-fissile material which absorbs neutrons and is used for the control of nuclear reactors (also nuclear poison) neutron radiography noun Radiography using a beam of neutrons neutron source noun A source of neutrons, eg a nuclear reactor or a chemical or accelerator source neutron star noun A heavenly body of very small size and very great density, an almost burnt-out and collapsed star, whose existence can be inferred from its gravitational effects |
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