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."
Cite this page: N., Pam M.S., "URACIL," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/uracil/ (accessed May 10, 2021).