noun
- Inventory accounting in which the oldest items (those first acquired) are assumed to be the first sold.
- synonyms: FIFO
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). first in first out. Retrieved September 23, 2026, from http://smartdefine.org/first_in_first_out/definitions/1191340 |
| Chicago | WordNet. 2010. "first in first out" http://smartdefine.org/first_in_first_out/definitions/1191340 (accessed September 23, 2026). |
| Harvard | WordNet 2010, first in first out, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/first_in_first_out/definitions/1191340>. |
| MLA | WordNet. "first in first out" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/first_in_first_out/definitions/1191340> |