luminol UK /ˈljuːmɪnɒl/US /ˈluːmɪnɒl/noun 1verb 1forms 5 noun1 •The compound 5-amino-2,3-dihydro-1,4-phthalazinedione, which exhibits blue chemiluminescence when mixed with an appropriate oxidizing agent.The board was fully supportive, Mr. McDevitt said, even when Mr. Wheeler needed to buy a gallon of cow’s blood and a supply of luminol, a blood-detection chemical. — 2006 verb1 •To test or subject a sample or an individual to a luminol agent in order to locate traces of blood.Luminoling of material can establish unequivocally that no blood is present. — 1997 formsluminoled · luminolled · luminoling · luminolling · luminols
