Entomology definition of Aurantiacus September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Aurantiacus Entomology definition of Aurantiacus: orange colored; a mixture of yellow and red [chrome orange]. Aurantiacus Entomology explanationAurantiacus Entomology meaningEntomology Aurantiacus definitionReviews & Comments