roton
/ˈrəʊtɒn/Physics
noun
A quantum or quasiparticle associated with vortical motion in a liquid, especially liquid helium.
Origin
1940s. From rot- + -on.
- bachelor pad
- bachelor party
- bachelor's buttons
- bachelor's chest
- bachelor's degree
- Bach flower remedies
- Bach, Johann Sebastian
- Bach remedies
- bacillary
- bacilliform
- bacillus
- bacitracin
- back
- backache
- back alley
- back and forth
- back-arc
- backassward
- backasswards
- back bacon
- backbar
- Back Bay
- backbeat
- backbench
- backbencher