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Definition
| 1. | a scraped spot or area; the result of rubbing or abrading: abrasions on his leg caused by falling on the gravel. |
| 2. | the act or process of abrading. |
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| a fan-shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain |
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| the lowest level to which running water can erode the land. |
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| the sand, gravel, boulders, or other debris transported by rolling or sliding along the bottom of a stream. |
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| The power you have in order to carry a heavy object |
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Definition
| 4. | anything triangular, like the Greek capital delta (Δ). |
| 5. | Mathematics. an incremental change in a variable, as Δ or δ. |
| 6. | a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular: the Nile delta |
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Term
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Definition
| 21. | the act of discharging a ship, load, etc. |
| 22. | the act of firing a weapon, as an arrow by drawing and releasing the string of the bow, or a gun by exploding the charge of powder. |
| 23. | a sending or coming forth, as of water from a pipe; ejection; emission. |
| 24. | the rate or amount of such issue. |
| 25. | something sent forth or emitted. |
| 26. | a relieving, ridding, or getting rid of something of the nature of a charge |
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Term
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Definition
| 1. | to separate into parts, groups, sections, etc. |
| 2. | to separate or part from something else; sunder; cut off. |
| 3. | to deal out in parts; distribute in shares; apportion. |
| 5. | to separate in opinion or feeling; cause to disagree: The issue divided the senators. |
| 6. | to distinguish the kinds of; classify. |
| 7. | Mathematics. | a. | to separate into equal parts by the process of mathematical division; apply the mathematical process of division to: Eight divided by four is two. |
| b. | to be a divisor of, without a remainder |
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Term
Drainage Basin OR Watershed [image] |
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Definition
| 1. | Chiefly British. the ridge or crest line dividing two drainage areas; water parting; divide. |
| 2. | the region or area drained by a river, stream, etc.; drainage area. |
| 3. | Architecture. wash (def. 44). |
| 4. | an important point of division or transition between two phases, conditions, etc.: The treaty to ban war in space may prove to be one of history's great watersheds. |
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| A sudden flood of great volume, usually caused by a heavy rain |
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| a nearly flat plain along the course of a stream or river that is naturally subject to flooding |
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Definition
| 1. | a small valley or ravine originally worn away by running water and serving as a drainageway after prolonged heavy rains. |
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| Headward erosion is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. |
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Definition
- An embankment raised to prevent a river from overflowing.
- A small ridge or raised area bordering an irrigated field.
- A landing place on a river; a pier.
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| Usually, meanders. turnings or windings; a winding path or course. |
| 5. | a circuitous movement or journey. |
| 6. | an intricate variety of fret or fretwork |
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Term
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Definition
| a. | a bow-shaped bend in a river, or the land embraced by it. |
| b. | Also called oxbow lake. a bow-shaped lake formed in a former channel of a river |
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Term
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Definition
| 2. | a hole formed in pavement, as by excessive use or by extremes of weather. |
| 3. | a more or less cylindrical hole formed in rock by the grinding action of the detrital material in eddying water. |
| 4. | a cave opening vertically from the ground surface |
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Term
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Definition
| a. | the process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid without chemical change. |
| b. | such a substance, as dissolved sugar or salt in solution. |
| c. | a homogeneous, molecular mixture of two or more substances. |
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Term
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Definition
Stream piracy is not unique to the Shenandoah Valley. The Pinnacles of Dan in Patrick County show the erosive power of the rivers draining southeast to the Atlantic Ocean is greater than those streams draining west to the Gulf of Mexico, much further away. |
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Term
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Definition
| 2. | the state of being suspended. |
| 3. | temporary abrogation or withholding, as of a law, privilege, decision, belief, etc. |
| 4. | stoppage of payment of debts or claims because of financial inability or insolvency. |
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Term
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Definition
| a transverse gap in a mountain ridge, cut by and giving passage to a stream or river |
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