Entomology definition of Tetra- September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Tetra- Entomology definition of Tetra-: four: a combining form. Entomology Tetra- definitionTetra- Entomology explanationTetra- Entomology meaningReviews & Comments