plural -s
: one of the hypothetical energy quanta that are concerned along with phonons in the behavior of liquid helium II compare second sound

Word History


Latin rotare to rotate + English -on

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of roton was in 1941

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Dictionary Entries Near roton

Cite this Entry

“Roton.” Dictionary, Merriam-Webster, Accessed 27 Feb. 2024.

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