Definition of FIFO in English:

FIFO

Syllabification: FIFO
Pronunciation: /ˈfīˌfō
 
/

abbreviation

First in, first out (chiefly with reference to methods of stock valuation and data storage). Compare with LIFO.

Definition of FIFO in:

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Word of the day flagitious
Pronunciation: fləˈjiSHəs
adjective
(of a person or their actions) criminal; villainous