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 |
| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |