Entomology definition of Iridescent September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Iridescent Entomology definition of Iridescent: a surface which reflects the prismatic hues. Entomology Iridescent definitionIridescent Entomology explanationIridescent Entomology meaningReviews & Comments