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单词 graviton
释义

WordReference Random House Unabridged Dictionary of American English © 2024
grav•i•ton  (gravi ton′),USA pronunciation n. [Physics.]
  1. Physicsthe theoretical quantum of gravitation, usually assumed to be an elementary particle that is its own antiparticle and that has zero rest mass and charge and a spin of two. Cf. photon.
  • gravit(y) + -on1 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
graviton /ˈɡrævɪˌtɒn/ n
  1. a postulated quantum of gravitational energy, usually considered to be a particle with zero charge and rest mass and a spin of 2
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