# DF

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/DF
> Markdown URL: https://mediated.wiki/source/DF.md
> Source: https://en.wikipedia.org/wiki/DF
> Source revision: 1349024280
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

**DF** or **df** may refer to:

## Gaming

- *[DeFRaG](/source/DeFRaG)*, a modification for the computer game *Quake III Arena*
- *[DragonFable](/source/DragonFable)*, a 2006 video game by Artix Entertainment
- *[Dwarf Fortress](/source/Dwarf_Fortress)*, a 2006 sandbox-style computer game

## Places

- [Distrito Federal (Brazil)](/source/Distrito_Federal_(Brazil)), or the Federal District
- [Distrito Federal (Mexico)](/source/Distrito_Federal_(Mexico)), or the Federal District, now known as Mexico City

## Politics

- [Danish People's Party](/source/Danish_People's_Party) (*Dansk Folkeparti*)
- [Democratic Front (Bosnia and Herzegovina)](/source/Democratic_Front_(Bosnia_and_Herzegovina)) (Demokratska fronta)
- [Democratic Front (Montenegro)](/source/Democratic_Front_(Montenegro)) (*Demokratski front*)

## Science and technology

- [df (Unix)](/source/Df_(Unix)), a Unix command to report disk space usage by a filesystem
- [Dairy](/source/Dairy) free, identifying products that contain no milk
- [Decapacitation factor](/source/Decapacitation_factor), in biochemistry
- [Degrees of freedom](/source/Degrees_of_freedom), various measures in statistics, mathematics and physics
- [Density function](/source/Density_function), a mathematical function with a wide range of applications
- [Dielectric loss](/source/Dielectric_loss)
- [Direction finding](/source/Direction_finding), a technique used to locate radio transmitters
- [Direction flag](/source/Direction_flag), a flag stored in the FLAGS register on all x86-compatible CPUs
- [Dissipation factor](/source/Dissipation_factor), a measure of loss-rate of energy of an oscillation mode in a dissipative system
- [Dongfeng (missile)](/source/Dongfeng_(missile)), a Chinese intercontinental ballistic missile
- Dongfeng series of diesel locomotives - [China Railways DF](/source/China_Railways_DF) - [China Railways DF4](/source/China_Railways_DF4) - [China Railways DF8](/source/China_Railways_DF8)
- [Methylphosphonyl difluoride](/source/Methylphosphonyl_difluoride), a chemical weapons precursor
- [Daylight factor](/source/Daylight_factor) (DF), the ratio of the light level inside a structure to the light level outside the structure.
- Deuterium fluoride, a form of [hydrogen fluoride](/source/Hydrogen_fluoride) using deuterium atoms

## Other uses

- [Defender (association football)](/source/Defender_(association_football))
- [Delta Force](/source/Delta_Force), a component of the U.S. Army Joint Special Operations Command
- [Design Factory](/source/Design_Factory), a department of Aalto University
- [Duty Free](/source/Duty_Free), goods which are free from tax or duty
- [New Zealand DF class locomotive (1979)](/source/New_Zealand_DF_class_locomotive_(1979))
- [Quantum Air](/source/Quantum_Air) (formerly AeBal), Spanish airline (IATA code DF)

## See also

- [Dongfeng (disambiguation)](/source/Dongfeng_(disambiguation))
- [Distrito Federal (disambiguation)](/source/Distrito_Federal_(disambiguation))

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Adapted from the Wikipedia article [DF](https://en.wikipedia.org/wiki/DF) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/DF?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.