D defs.my
Entry 1 sense Webster, 1913

Diffusivity

· Dif·fu·siv·i·ty · IPA
01 n. Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.
  1. 1.
    Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.