noun: Initialism of Police Federation of Australia.
noun: (chemistry) Abbreviation of paraformaldehyde. [(organic chemistry) A solid oligomer of formaldehyde that is used as a fumigant, and as a fixative in histology]
noun: Abbreviation of polyfluoroalkyl. [(organic chemistry, especially in combination) Any polyfluoro derivative of an alkyl group]
noun: Initialism of physical fitness assessment, used to determine physical fitness standards in the United States Navy
noun: Initialism of pulverised fuel/fly ash.
noun: Initialism of protection from abuse (order) : a restraining order.
