| 单词 | lepton |
| 释义 | lepton (once / 203782 pages) 1n 2n WORD FAMILY lepton: lepta, leptons USAGE EXAMPLESAny experiment at a high energy collider would look for four leptons and measure their mass. The Guardian(Sep 18, 2016) Leptons are a category of particles that includes electrons, as well as their heavier cousins muons and taus. Scientific American(Sep 09, 2015) The onetime science-avoider now speaks fluidly about quarks, leptons and bosons. Chicago Tribune(Nov 08, 2014) 1 n 100 lepta equal 1 drachma in Greece 2Hyper Greek monetary unit monetary unit in Greece n an elementary particle that participates in weak interactions; has a baryon number of 0 Hypo|Hyper electron, negatron an elementary particle with negative charge mu-meson, muon, negative muonan elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino neutrinoan elementary particle with zero charge and zero mass tau-minus particle, tauona lepton of very great mass delta rayan electron ejected from matter by ionizing radiation free electronelectron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field photoelectronan electron that is emitted from an atom or molecule by an incident photon valence electronan electron in the outer shell of an atom which can combine with other atoms to form molecules elementary particle, fundamental particle (physics) a particle that is less complex than an atom; regarded as constituents of all matter fermionany particle that obeys Fermi-Dirac statistics and is subject to the Pauli exclusion principle |
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