noun
- plural of diffusivity; measures of how quickly a substance spreads through another medium
Usage: technical; physics; chemistry
Examples
- The thermal diffusivities of different metals vary significantly.
- Scientists measured the diffusivities of various gases in water.
- Mass diffusivities help predict how pollutants spread in soil.
- The research compared diffusivities across multiple temperature ranges.
- Higher diffusivities indicate faster molecular transport rates.