URACIL By N., Sam M.S. - 1 noun. a pyrimidine substance which is one out of the four bases housed in RNA. With regard to DNA, thymine takes place rather than uracil. URACIL: "Tomorrow, we will be testing the effectiveness of uracil on the cells." Related Psychology Terms THYMINE CYTOPLASMIC CLINICAL PSYCHOLOGY TRANSCRIPTION Dissociative Identity Disorder Legality and Ethics for Case Management GUANINE ELECTROSHOCK THERAPY (Elec- troconvulsive Therapy; EST, ECT) NORTHERN BLOT ESTHETICS Cite this page: N., Sam M.S., "URACIL," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/uracil/ (accessed October 7, 2022).