diffusive

Etymology
From post-classical (13th century), from participle stem of.

Adjective

 * 1) That is spread or dispersed across a wide area or among a large number of people.
 * 2) Involving or employing many words; expansive, discursive;  long-winded.
 * 3) That diffuses something; disseminating.
 * 4)  Pertaining to diffusion.
 * 1)  Pertaining to diffusion.