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单词 phonon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•non  (fōnon),USA pronunciation n. [Physics.]
  1. Physicsa quantum of sound or vibratory elastic energy, being the analogue of a photon of electromagnetic energy.
  • phon- + -on1 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
phonon /ˈfəʊnɒn/ n
  1. a quantum of vibrational energy in the acoustic vibrations of a crystal lattice
Etymology: 20th Century: from phono- + -on
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