group velocity

noun

: the velocity with which some definite peculiarity of a composite wave train (as an interference maximum) advances through a medium compare phase velocity

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of group velocity was in 1881

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Dictionary Entries Near group velocity

Cite this Entry

“Group velocity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/group%20velocity. Accessed 21 Jun. 2024.

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