Entomology definition of Viscous September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Viscous Entomology definition of Viscous: thick, sticky or semi-fluid. Entomology Viscous definitionViscous Entomology explanationViscous Entomology meaningReviews & Comments