roton

noun ro·ton \ˈrōˌtän\

Definition of roton

plural

-s

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

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of roton

Latin rotare to rotate + English -on


First Known Use: 1941


Seen and Heard

What made you want to look up roton? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!