Defile may refer to:
* To make
dirty
Dirt is an unclean matter, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty.
Common types of dirt include:
* Debris: scattered pieces of waste or remains
* Dust: a genera ...
or
impure
*
Defile (geography)
In geography, a defile is a narrow pass or gorge between mountains or hills. The term originates from a military description of a route through which troops can march only in a narrow column or with a narrow front. On emerging from a defile (or so ...
, in geography, a narrow pass or gorge between mountains
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Defile (military)
Marching refers to the organized, uniformed, steady walking forward in either rhythmic or route-step time; and, typically, it refers to overland movements on foot of military troops and units under field orders. Marching is often performed t ...
, to march off in a line
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The Defile The Defile () is a narrow ice-free passageway between the terminus of Suess Glacier and the talus-covered slope of Nussbaum Riegel in Taylor Valley, Victoria Land. It was charted and descriptively named by the British Antarctic Expedition, 1910†...
, a pass between Suess Glacier and Nussbaum Riegel in Victoria Land, Antarctica
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Battle of the Defile
The Battle of the Defile or Battle of the Pass ( ar, وقعة الشعب, Waqʿat al-Shʿib) was fought in the Takhtakaracha Pass (in modern Uzbekistan) between a large army of the Umayyad Caliphate and the Turkic Türgesh khaganate over three ...
or Battle of the Pass, 731 battle between the Umayyads and Turks
See also
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File (disambiguation)
File or filing may refer to:
Mechanical tools and processes
* File (tool), a tool used to ''remove'' fine amounts of material from a workpiece
**Filing (metalworking), a material removal process in manufacturing
** Nail file, a tool used to gent ...
*
Contamination
Contamination is the presence of a constituent, impurity, or some other undesirable element that spoils, corrupts, infects, makes unfit, or makes inferior a material, physical body, natural environment, workplace, etc.
Types of contamination
W ...
*
Pollution
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the ...
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