Ferrofluid meaning

fĕrō-flo͝oĭd
A liquid that consists of a colloidal suspension of ferromagnetic particles and that becomes strongly polarized in the presence of a magnetic field. Ferrofluids do not retain the polarization once the magnetic field is removed.
noun
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Origin of ferrofluid

  • ferro(magnetic) fluid

    From American Heritage Dictionary of the English Language, 5th Edition