- steep trench
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крутая траншея
English-Russian dictionary of geology. 2011.
steep trench
Смотреть что такое "steep trench" в других словарях:
trench — /trench/, n. 1. Fort. a long, narrow excavation in the ground, the earth from which is thrown up in front to serve as a shelter from enemy fire or attack. 2. trenches, a system of such excavations, with their embankments, etc. 3. a deep furrow,… … Universalium
trench — I. noun Etymology: Middle English trenche track cut through a wood, from Anglo French, act of cutting, ditch, from trencher, trenchier to cut, probably from Vulgar Latin *trinicare to cut in three, from Latin trini three each more at trine Date:… … New Collegiate Dictionary
trench — an elongate and very deep depression with steep sides in the sea floor, cf. trough … Dictionary of ichthyology
deep-sea trench — or oceanic trench Any long, narrow, steep sided depression in the ocean bottom in which maximum oceanic depths (24,000–36,000 ft, or 7,000–11,000 m) occur. The deepest known depression of this kind is the Mariana Trench. Most trenches occur at… … Universalium
Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… … Wikipedia
Mariana Trench — a depression in the ocean floor of the Pacific, S and W of the Mariana Islands: site of greatest known depth of any ocean. 36,201 ft. (11,034 m) deep. * * * Submarine trench in the floor of the western Pacific Ocean. It is the deepest known… … Universalium
Kuril Trench — ▪ submarine feature, Pacific Ocean deep submarine depression in the western Pacific Ocean, situated on the east side of the Kamchatka Peninsula, the Kuril Islands, and Hokkaido island, Japan. Extending for about 1,800 miles (2,900 km) north … Universalium
Rocky Mountain Trench — ▪ region, North America geological depression extending north northwest for about 900 miles (1,400 km) from western Montana, U.S., south of Flathead Lake, through British Columbia, Can., to the headwaters of the Yukon River. The trench… … Universalium
Laurence's Gate — is a barbican which was built in the 13th century as part of the walled fortifications of the medieval town of Drogheda, County Louth, in Ireland. The original names for Laurence St and Laurence s Gate were East St and East Gate, respectively. In … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
mountain — mountainless, adj. /mown tn/, n. 1. a natural elevation of the earth s surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m). 2. a large mass of something… … Universalium
