ro·​ton | \ ˈrōˌtän \
plural -s

Definition of roton

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

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First Known Use of roton

1941, in the meaning defined above

History and Etymology for roton

Latin rotare to rotate + English -on

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The first known use of roton was in 1941

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Cite this Entry

“Roton.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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