2. Initialism. Personal flotation device. ¹
3. Initialism. Primary Flight Display. ¹
4. Initialism. Process Flow Diagram ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of PFD
PERT charts PES PEST sequence PET PET56 methyltransferase PETA PETE PETN PET scan PET scanner | PEX PFA PFC PFCA PFCAs PFD (current term) PFFD PFI PFLP PFLP-GC | PFOA PFOB PFPS PFS PFTAIRE PFTAIRE kinase PF key PG PGA PGCE |