diffusivity JUST WRITTEN FOR YOU
/dɪˈfjuzɪvɪti/ · dif·fus·i·vi·ty
noun
- A tendency or capacity to spread or disperse through a medium. The diffusivity of the perfume in the air made the scent noticeable throughout the room.
- A coefficient of diffusion; in physics and engineering, the quantitative measure of how quickly heat or mass passes through a material per unit area and time. Engineers measured the thermal diffusivity of the alloy to predict how rapidly it would dissipate heat during operation.
Synonyms
permeabilityconductivitytransmissibilitymobilitydiffusion coefficientspreadingnessthermal conductivitymass transfer coefficient
Antonyms
Did you know? The term diffusivity bridges both heat and mass transfer, appearing in Fourier's law for heat conduction and Fick's law for molecular diffusion, highlighting the deep analogy between thermal and material transport.