Triphosphaticulate Share definition Flag A nitrogenous base in either Ribonucleic Acid or deoxyribonucleic acid in it's triphosphate form, meaning that 3 phosphates are present. Iconic maverick heart.Adenine in triphosphaticulate form! Triphosphaticulate by CharlieLarge June 10, 2019 Get the Triphosphaticulate mug.