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roton

noun
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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Dictionary Entries near roton

rotograph

rotogravure

rotometer

roton

rotonda

rotor

rotor blade

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The first known use of roton was in 1941

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