MCD, Mcd or mcd may refer to:
==Science== Magnetic circular dichroism, with polarized light Malonyl-CoA decarboxylase, an enzyme involved in fatty acid biosynthesis Mesoscale convective discussion, Storm Prediction Center forecast Millicandela (mcd) or Megacandela (Mcd), units of brightness or light intensity
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).