magnetic fluid

noun

Definition of magnetic fluid

1 : a hypothetical fluid formerly assumed to account for magnetic phenomena
2 : a mixture of finely divided iron with oil or other suitable liquid that is characterized by its marked increase in viscosity when subjected to a strong magnetic field — compare magnetic fluid clutch

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“Magnetic fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20fluid. Accessed 3 Jun. 2020.

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