C14N stands for Canonicalization (Canonical XML)
C12H22O11 stands for Table Sugar (sucrose; common chemical formula)
C1FT stands for C1 Fixation and Transfer
C1E stands for Enhanced CPU State 1 (power-saving mode, computing)
C1C stands for C1q (Component 1 Subcomponent Q)-Binding Immune Complexes C1C stands for Cadet 1st Class
C1A stands for Collagen Induced Arthritis (autoimmune disease)
C18 stands for Combat 18 c18 stands for International Society for Eighteenth-Century Studies
C175 stands for Circular 175 (interagency process for authorization to negotiate and conclude cooperation agreements; coordinated by US Department of State)
C172 stands for Cessna 172 (airliner; Cessna Aircraft Company)
C128 stands for Commodore 128 (home computer)