OPC

noun5

1. •
   Initialism of ordinary portland cement.

   • Ordinary Portland Cement (OPC) is the world's most common form of cement. The blue plaque dedicated to inventor Joseph Aspdin describes OPC as "one of mankind's most important manufactured materials". — 2023
2. •
   Initialism of offshore patrol craft
3. •
   Abbreviation of oropharyngeal cancer.
4. •
   Abbreviation of oligomeric proanthocyanidin.
5. •
   Initialism of offshore patrol cutter