Definition of "PAR"

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

Initialism of photosynthetically-active radiation.  examples

(aviation) Initialism of precision approach radar.  examples

Abbreviation of phased-array radar.  examples

(genetics) Abbreviation of pseudoautosomal region.  examples

(Philippines, meteorology) Acronym of Philippine Area of Responsibility.

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