noun

• A fluid containing a magnetic suspension.

  ‘ferrofluid cooling’

  More example sentences

  • ‘While ‘Lost’ and ‘Icelandic Rift’ contain the not-to-be missed natural wonder of magnetic ferrofluid.’
  • ‘Airlines use ferrofluids to help seal rotary valves.’
  • ‘We live in a world of atomic clocks, of ten dollar lasers you can hold in your hand, of supersonic passenger planes, space stations and ‘ferrofluid.’’