back burner

American  

noun

1. a condition of low priority or temporary deferment (usually used in the phraseon the back burner ).

   Put other issues on the back burner until after the election.

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back burner British  

noun

1. put aside for the time being, as a subject that is not of immediate concern but that may be activated later; postponed

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Etymology

Origin of back burner

First recorded in 1945–50; from the custom in cooking of placing pots not requiring immediate attention toward the rear of the stove