noun
often as modifierA fluid containing a magnetic suspension.
‘ferrofluid cooling’- ‘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.’’
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