Term Name:	negative regulation of pyrimidine nucleobase metabolic process
Synonyms:	down regulation of pyrimidine base metabolic process, down-regulation of pyrimidine base metabolic process, downregulation of pyrimidine base metabolic process, inhibition of pyrimidine base metabolic process, negative regulation of pyrimidine base metabolic process, negative regulation of pyrimidine base metabolism
Definition:	Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways involving pyrimidine nucleobases.
Ontology:	GO: Biological Process [GO:0045984]    QuickGO    AmiGO