PDC may refer to:
== In science and technology == === Chemistry, biology and medicine === Phosducin, a human protein and gene in the retina Pyridinium dichromate (Cornforth reagent), a chromium-based oxidant Pyruvate dehydrogenase complex, an enzyme complex Plasmacytoid dendritic cell
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).