diffusivity

US:USA pronunciation: respellingUSA pronunciation: respelling(dif′yŏŏ siv′i tē)


WordReference Random House Unabridged Dictionary of American English © 2026
dif•fu•siv•i•ty  (dif′yŏŏ siv′i tē),USA pronunciation n. [Physics.]
  1. Physicsthe property of a substance indicative of the rate at which a thermal disturbance, as a rise in temperature, will be transmitted through the substance.
  • diffusive + -ity 1875–80

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