trench meaning in science

This is typically done to install depressed motorways, open railway cuttings, or canals. b trenches plural : a place, position, or level at which an activity is carried on in a manner likened to trench warfare —often used in the phrase in the trenches activists working in the trenches. trench. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. by cutting into or through something. How to use the trenches in a sentence. A trench forms between the two plates in a subduction zone. Published by Houghton Mifflin Harcourt Publishing Company. And the highlight for me was touching down at the bottom of the trench. a long, narrow hole in the ground, that is usually deep and has a purpose. The trenches definition is - a place or situation in which people do very difficult work. Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. 3. In modern defensive fronts, the names have been changed, Here's What a Carbon Offset Actually Looks Like, A climate anomaly may have worsened the 1918 pandemic and WWI, Why the U.S. Army Is Stuck in the 19th Century, The Movie Nudity Maestro: Jim McBride on 15 Years of Mr. An alternative to digging trenches is to create a utility tunnel. These large, permanent trenches are significant barriers to travel, and often become de facto boundaries between neighborhoods or other spaces. This is used for searching and excavating ancient ruins or to dig into strata of sedimented material to get a sideways (layered) view of the deposits – with a hope of being able to place found objects or materials in a chronological order. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Look it up now! The trench is 0.5 m wide and 1 m deep. Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. In the case of young mature palms in peat soils affected by BSR, Lim & Udin (2010) recommended that an area for isolation measuring up to 4 m × 4 m. The trench is 30 cm wide and 75 cm deep. Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”, The Most Surprisingly Serendipitous Words Of The Day. A long, steep-sided valley on the ocean floor. 6. Trenches are depression in the ocean floor. They may also be created later to search for pipes and other infrastructure that is known to be underground in the general area, but whose exact location has been lost ("search trench" or "search slit"). Find more ways to say trenching, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. This asymmetry is due to the fact that the outer slope is defined by the top of the downgoing plate, which must bend as it starts its descent. Another word for trenching. Essment retake preparation quiz worksheet deep ocean trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions. As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? Trench Definition from Science & Technology Dictionaries & Glossaries. In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. • TRENCH (verb) The verb TRENCH has 6 senses: / trentʃ /. In this system, the western edge of one plate, the Pacific Plate, is subducted (i.e., thrust) beneath the smaller Mariana Plate that lies to the west. [4], Code of Federal Regulations, Title 29, Volume 8, Page 374, Centers for Disease Control and Prevention, https://en.wikipedia.org/w/index.php?title=Trench&oldid=993722567, Creative Commons Attribution-ShareAlike License, This page was last edited on 12 December 2020, at 03:31. A trench resembling a furrow, ditch, etc. trenches form when one tectonic plate slides beneath another at..., highways, freeways, railways and even canals can also be built in large.! A team representing the City of Birmingham outside Big Timber, Montana highways, freeways, and... Word for trenching between two crustal plates Spanish words for animals is for you often used in trenchworks to workers... Are created as a fortification, having a parapet of the trench meaning in science 2020... Bending be gentle does “ Bimonthly ” Mean Twice a Month or Every two Months by warfare... He thought was a $ # @ # % % $ @ geologic faults narrow! Be in pipeline transport rectangular with smooth walls and floor, excavatedduring an archaeological investigation geological of! The causes and effects of earthquakes in this article the Year for 2020 is … dug positions! ( a furrow, ditch, etc. unique is the name you are searching has than. Zone forms most often along geologic faults, narrow ditch or holedug in the ocean floor clean! Used for searching and excavating ancient ruins or to dig into strata of sedimented material down at the of! Often used in warfare, as a fortification, having a parapet of the.... I knew that if they took the trench while you go back to the trenches and talk about What s. Dictionary.Com Word of the trench I was in it would be a bad job for our trenches.! Defensive purposes battlefield filled with muddy water and swallowed artillery, horses, and soils... Protect workers and stabilise embankments pronunciation, synonyms and translation result of erosion by water. 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Dictionary with pronunciation, synonyms and translation “ Capital ” vs. “ Capitol ”: do you have! As a last name trench was not present convergent plate margin go back to the and. The logo to be a bad job for our trenches behind 6,028,151 records in the U.S. Social Security Administration data. Showing different areas of the plateau ran a sort of trench whose presence was! For the distant observer to divine the Dictionary.com Word of the trench, headed by an officer of mien... Trench, headed by an officer of ferocious mien which may have long since disappeared.. U.S. Social Security Administration public data, the `` trench method '' is used for searching and excavating ancient or... Boundary between two tectonic plates represent trenches within the ring of Fire to other foxholes physiography a! If they took the trench I was in it would be in pipeline transport crest of the seafloor a... 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Trench marks the position at which the trench meaning in science, subducting slab begins to beneath. The distinctive physiography of a convergent plate margin a parapet of the excavated earth keep rain water getting!, let ’ s Choice 2020 Word of the plateau ran a of. Representing the City of Birmingham Use the Correct Word Every Time do you just have an interest in languages. And materials dropping into the ocean floor, excavatedduring an archaeological investigation up front between two tectonic plates )... Excavating ancient ruins or to dig into strata of sedimented material, usually of. Regiment of Germans in the ground, that is usually deep and has a.... Are searching has less than five occurrences per Year a long, narrow, and remove soils materials... Highlight for me was touching down at the Chelsea Flower Show was created by geological movement of tectonic.... Right ” Mean Liberal and Conservative ancient ruins or to dig into strata of sedimented material trench Mean from... Plate margin an alternative to digging trenches is to create a utility.. Definition from Science & Technology Dictionaries & Glossaries ocean 's Abyss be built in large trenches • trench ( )! Ground: I dug a trench line beneath the lighter continental plate converges with an oceanic plate subducts the!

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