Abbreviation of parallel.

Alternative form of parr (“young salmon”)

Initialism of planed all round: of timber, planed on all sides as opposed to rough sawn.

Initialism of periodic automatic replenishment: in inventory control, a fixed quantity of an item that must be kept on hand to support daily operations.

Alternative form of on a par

simple past tense and past participle of par off

plural of par yield

Alternative spelling of subpar

The amount or value listed on a bill, note, stamp, etc.; the stated value or amount.

Abbreviation of ceteris paribus.