Entomology definition of Diffuse September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Diffuse Entomology definition of Diffuse: spreading out; without distinct edge or margin. Diffuse Entomology explanationDiffuse Entomology meaningEntomology Diffuse definitionReviews & Comments