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diffusivity - 2 dictionary results

dif⋅fu⋅siv⋅i⋅ty

[dif-yoo-siv-i-tee]
–noun Physics.
the property of a substance indicative of the rate at which a thermal disturbance, as a rise in temperature, will be transmitted through the substance.

Origin:
1875–80; diffusive + -ity

Diffusivity

Dif`fu*siv"i*ty\, n. Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.
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