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单词 tachyon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tach•y•on  (takē on′),USA pronunciation n. [Physics.]
  1. Physicsa hypothetical particle that travels faster than the speed of light.
  • tachy- + -on1 1967

Collins Concise English Dictionary © HarperCollins Publishers::
tachyon /ˈtækɪˌɒn/ n
  1. a hypothetical elementary particle capable of travelling faster than the velocity of light
Etymology: 20th Century: from tachy- + -on
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