2. Proper noun. (initialism of File Definition Language a VMS file type used for describing files.) ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of FDL
FCI FCK FCN FCO FCS FCT FCU FD FD&C Yellow No. 5 FDA | FDC FDD FDDI FDIC FDICIA FDL (current term) FDM FDMA FDNB FDP | FDR FDs FE FEC FED FEF FELIX FEMA FENOCO |