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FIFO

[fahy-foh]
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noun
  1. first-in, first-out.
  2. Computers. a storage and retrieval technique, used mainly for data, in which the first item stored is also the first item retrieved.
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Can be confusedFIFO GIGO LIFO
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fifo

FIFO

n acronym for
  1. first in, first out (as an accounting principle in costing stock)Compare LIFO
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012