Nearby Words

diffusivity

[dif-yoo-siv-i-tee]

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
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Diffusivity is always a great word to know.
So is absorption. Does it mean:
a quantized state in which matter may exist, having constant energy and separated from others in the series by finite quantities of energy
the removal of energy or particles from a beam by the medium through which the beam propagates
Collins
World English Dictionary
diffusivity (ˌdɪfjuːˈsɪvɪtɪ)
 
n
1.  a measure of the ability of a substance to transmit a difference in temperature; expressed as the thermal conductivity divided by the product of specific heat capacity and density
2.  physics
 a.  the ability of a substance to permit or undergo diffusion
 b.  another name for diffusion coefficient
3.  another name for diffusion

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