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Mathematically the fall line is opposite to the gradient and perpendicular to the contours.
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fall line — noun 1. : a line joining the waterfalls on a number of rivers that marks the point where each river descends from the upland to the lowland and the limit of its navigability 2. : the natural downward course (as for skiing) between two points on a … Useful english dictionary
fall line — noun 1》 (the fall line) Skiing the route leading straight down any particular part of a slope. 2》 a narrow zone marking the geological boundary between an upland region and a plain, distinguished by the occurrence of falls where rivers cross it … English new terms dictionary
fall line — ☆ fall line n. 1. the geographical line indicating the beginning of a plateau, usually marked by many waterfalls and rapids 2. Skiing the line of direct descent down a hill … English World dictionary
fall line — fall′ line n. 1) geg the natural boundary between an upland and a lowland, as a piedmont and a coastal plain: marked, in temperate or humid areas, by waterfalls and rapids 2) spo Skiing. the path of natural descent from one point on a slope to… … From formal English to slang
fall line — 1. an imaginary line, marked by waterfalls and rapids, where rivers descend abruptly from an upland to a lowland. 2. (caps.) Eastern U.S. the imaginary line between the Piedmont and the Atlantic coastal plain. 3. Skiing. the path of natural… … Universalium
the fall line — Skiing the route leading straight down any particular part of a slope. → fall line … English new terms dictionary
fall line — noun Date: 1882 1. a line joining the waterfalls on numerous rivers that marks the point where each river descends from the upland to the lowland and the limit of the navigability of each river 2. the natural downhill course (as for skiing)… … New Collegiate Dictionary
fall line — /ˈfɔl laɪn/ (say fawl luyn) noun 1. an imaginary line denoting the edge of a plateau or highland area where near parallel rivers descend to a lowland by falls or rapids; it is often marked by a series of industrial centres where waterfalls have… …
Alpine skiing — Alpine ski slope Highest governing body International Ski Federation Nickname(s) Downhill Sliding First played 1861, Kiandra, Aus … Wikipedia
Mogul skiing — Moguls (At Sugarbush, VT) Mogul skiing is a type of freestyle skiing where skiers ski terrain characterized by a large number of different bumps, or moguls. Contents 1 Moguls … Wikipedia
