Entomology definition of Constituent September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Constituent Entomology definition of Constituent: a part or element of a whole. Constituent Entomology explanationConstituent Entomology meaningEntomology Constituent definitionReviews & Comments