Definition of "OPC"

OPC

noun
uncountable
1. (chemistry) Abbreviation of oligomeric proanthocyanidin.
2. (medicine) Abbreviation of oropharyngeal cancer.
3. (construction) Initialism of ordinary portland cement.
  Quotations
  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 December 27, Richard Foster, “Building a greener future”, in RAIL, number 999, page 36
proper noun
1. (communication, programming) Initialism of Open Platform Communications.
2. (programming) Initialism of Open Packaging Conventions.