FIRST-IN, FIRST-OUT Definition & Meaning

first-in, first-out

[ furst-in, furst-out ]

Phonetic (Standard)IPA

an inventory plan that assumes that items purchased first will be sold first and that by valuing inventory items at the price of the most recent purchases, inventory values will be comparable to any rise in prices. : FIFO Compare last-in, first-out.
Computers. FIFO ( def 2 ).

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FIFO, or "first-in, first-out," is a classic eviction algorithm developed in the 1960s.

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In addition, the agency handles all amended returns, regardless of whether they are amending a current or prior year, on a first-in, first-out basis.

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Palak Patel, chef at New York’s Institute of Culinary Education, recommends using a first-in, first-out system so older items get used first.

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Use the first-in, first-out system for arranging the pantry, refrigerator and freezer, Gorin said.

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I like these bags from Eddingtons because they have a convenient "first-in, first-out" system.

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