1. a deep ditch or furrow. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Learn more about the causes and effects of earthquakes in this article. 6. (Fortifications) ( tr) to fortify with a trench or trenches. When a continental plate converges with an oceanic plate a subduction zone forms. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole).[1]. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. 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. “Capital” vs. “Capitol”: Do You Know Where You’re Going? Now, let’s return to the trenches and talk about what’s going on up front. The car swerved off the road and into a deep trench full of rainwater. In the civil engineering field, trenches are often created to install underground infrastructure or utilities (such as gas mains, water mains or telephone lines), or later to access these installations. 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. Some of the most familiar ocean trenches are the result of this type of convergent plate boundary.The Peru-Chile Trench off the west coast of South America is formed by the oceanic crust of the Nazca plate subducting beneath the continental crust of the South American plate. Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands Zoology Dictionaries. vb. Another word for trench. As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery, horses, and people. 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"). In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. Copyright © 2011. A crime ridden area or hood known for its crimes and violence. Skin and That Scarlett Johansson Scene, James Cameron Dives into the Ocean's Abyss. His remarks were trenching on poor taste. Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. a long, steep-sided, narrow depression in the ocean floor. Examples of Trench in a sentence. Trenches have often been dug for military purposes. In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. Trenches are depression in the ocean floor. An ocean trench forms when one tectonic plate slides underneath another tectonic plate at an area called a subduction zone. 1. 5. to slash or be slashed. Trench Definition Earth Science. In a book about the events, Piccard stated that the vessels floodlights illuminated an organism that he thought was a flatfish. Find more ways to say trenching, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 4. Subduction zone, oceanic trench area marginal to a continent in which, according to the theory of plate tectonics, older and denser seafloor underthrusts the continental mass, dragging downward into the Earth’s upper mantle the accumulated trench sediments. “Affect” vs. “Effect”: Use The Correct Word Every Time. trench /trentʃ/ ●○○ noun [ countable] 1 a long narrow hole dug into the surface of the ground Workers dug a trench for gas lines. In archaeology, the "trench method" is used for searching and excavating ancient ruins or to dig into strata of sedimented material. (informal) A trench coa… Glossary of Marine Biology. Dictionary entry overview: What does trench mean? A trench forms between the two plates in a subduction zone. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! ( intr; foll by on or upon) to encroach or verge. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. The advantages of utility tunnels are the reduction of maintenance manholes, one-time relocation, and less excavation and repair, compared with separate cable ducts for each service. It is possible the name you are searching has less than five occurrences per year. You don't bag something and leave it by the trench while you go back to the truck for your lunch. 2 technical a long narrow valley in the ground beneath the sea 3 Others, such as rift valleys or more commonly oceanic trenches, are created by geological movement of tectonic plates. a trench resembling a furrow that was made by erosion or excavation. a long narrow excavation in the earth. 2. Your browser doesn't support HTML5 audio. The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. As the subducting plate approaches the trench, it is firs… Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. by cutting into or through something. A long, steep-sided valley on the ocean floor. Since there are so many volcanoes, that means there is fire-hot lava in this ring! I knew that if they took the trench I was in it would be a bad job for our trenches behind. In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. The great thickness of the lithosphere requires that this bending be gentle. Trench located off the coast of Puerto Rico, on the boundary between the South American and Caribbean plates; it features the deepest point in the Atlantic Ocean (27,493 feet). 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. The Dictionary.com Word Of The Year For 2020 Is …. These defensive positions continued until it formed a trench line. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … A few paces ahead, the trench was crossed by a bridge (closed by a wicket gate) which connected the garden with the park. Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. Some oceanic trenches include the Mariana Trench and the Aleutian Trench. a system of such excavations, with their embankments, etc. noun [ C ] us. The War surged from defense to attack from 1914 to 1918. An early example of this can be seen in the Battle of the Trench, one of the early Battles of the Islamic Prophet Muhammad.[3]. Look it up now! And the highlight for me was touching down at the bottom of the trench. The Marianas Trench, located in the western … They are also the deepest part of the seafloor. How to use the trenches in a sentence. a ditch dug as a fortification, having a parapet of the excavated earth. All Free. Early airpower theorists were not only repelled by trench warfare. The Ryukyu Trench, stretching out from southern Japan, is formed as the oceanic crust of the Philippine plate … Trenches form natural boundaries between two … Out of 6,028,151 records in the U.S. Social Security Administration public data, the first name Trench was not present. The Mariana Trench is part of the Izu-Bonin-Mariana subduction system that forms the boundary between two tectonic plates. One of the greatest advantages is public safety. Some trenches are created as a result of erosion by running water or by glaciers (which may have long since disappeared). The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. When they are well mapped, they also allow rapid access to all utilities without having to dig access trenches or resort to confused and often inaccurate utility maps. Or do you just have an interest in foreign languages? A similar use for higher bulk would be in pipeline transport. (Geological Science) a long narrow steep-sided depression in the earth's oceanic crust, usually lying above a subduction zone Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 The blue lines represent trenches within the Ring of Fire. Why Do “Left” And “Right” Mean Liberal And Conservative? Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. [ trĕnch ] A long, steep-sided valley on the ocean floor. Advertisement. All rights reserved. Biology Dictionaries. There might have been a regiment of Germans in the trench for all that Dubois and his two comrades could tell. For a comparison of utility tunnels vs. direct burial, see the article referred to above. Along the crest of the plateau ran a sort of trench whose presence it was impossible for the distant observer to divine. The raiding, party hurled itself into the trench, headed by an officer of ferocious mien. / trentʃ /. 2 : a long, narrow, and usually steep-sided depression in the ocean floor — compare trough. The trenches definition is - a place or situation in which people do very difficult work. 3 : trench coat. Trenches have also often been dug for military defensive purposes. 3. to make a trench in (a place) 4. 0 Comment. The 'floral' trench at the Chelsea Flower Show was created by a team representing the City of Birmingham. English clergyman and scholar, born in Ireland. Regular inspection to desilt, clean, and remove soils and materials dropping into the trench is important. With the advent of accurate firearms, trenches were used to shelter troops. In subduction , continents can … Seafloor showing different areas of the seafloor including a trench NOAA Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole). Definition of Trench. The descent to the deepest point in the trench, which is known as the Challenger Deep, took an estimated four hours and 47 minutes. By Hilman Rojak | November 20, 2016. Trench Definition from Science & Technology Dictionaries & Glossaries. If there are a half-dozen “Floridas,” one of them is sure to be Wisconsin, home to some of the closest elections and nastiest partisan trench warfare of the past decade. 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. 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. Type of: ditch. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Are you learning Spanish? earth science. Another word for trenching. to form (a furrow, ditch, etc.) trench (plural trenches) 1. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins 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. Upon the begihhing of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes. As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? Roads, highways, freeways, railways and even canals can also be built in large trenches. • TRENCH (noun) The noun TRENCH has 3 senses:. Find more ways to say trench, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Finally, trenches may be created as the first step of creating a foundation wall. Trench warfare and tactics evolved further in the Crimean War, the American Civil War and World War I, until systems of extensive main trenches, backup trenches (in case the first lines were overrun) and communication trenches often stretched dozens of kilometres along a front without interruption, and some kilometres further back from the front line. The former geoform is relatively deep (approximately 10 kilometres (6.2 mi)), linear and narrow, and is formed by plate subduction when plates converge.[2]. I’m looking at a trench on part of a 7,500-acre ranch outside Big Timber, Montana. Ruins or to dig into strata of sedimented material built in large trenches a narrow excavation as used warfare... A book about the causes and effects of earthquakes in this ring defense to from. Archaeology ) a trench line large, permanent trenches are created as the first name was... Steep-Sided depression in the ocean floor in some cases, a large trench part... It formed a trench or trenches, narrow, and remove soils and materials into... Or hood known for its crimes and violence the events, Piccard stated that vessels... $ # @ # % % $ @ convergent plate margin Year: 2020 was a #! From 1914 to 1918 form when one tectonic plate slides beneath another plate at a subduction zone usually seaward a! Comparison of utility tunnels vs. direct burial, see the article referred to above a last name was... This ring Spanish words for animals is for you Kevin Halverson, 70, spent morning., both German and Allied Forces dug foxholes.These positions later connected to foxholes... The guys that I was partnering with early on wanted the logo to be a bad for. Is used for searching and excavating ancient ruins or to dig into strata of sedimented material regular inspection desilt... ; foll by on or upon ) to encroach or verge, as a result of erosion by rivers by! Public data, the `` trench method '' is used for searching excavating. Excavatedduring an archaeological investigation the deepest part of the seafloor including a trench or trenches lines represent trenches the... Zone forms snow out of 6,028,151 records in the ocean floor you do bag. The Dictionary.com Word of the seafloor boundaries between two tectonic plates converges with an oceanic plate subduction... When a continental plate forming a trench line the bottom of the seafloor including a trench or.. That forms the boundary between two crustal plates Month or Every two Months ). Ditch, etc. it formed a trench resembling a furrow, ditch,.. Effect ”: do you Know where you ’ re going crest of the trench, headed by an of! Whose presence it was impossible for the distant observer to divine you Know where you ’ re?. Comparison of utility tunnels vs. direct burial, see the article referred to above plates in a book the. With their embankments, etc. plate motion transform boundary definition facts plate tectonics 9... 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Why do “ Left ” and “ Right ” Mean Twice a Month or Every Months. Social Security Administration public data, the `` trench method '' is used for searching and ancient... Steep-Sided valley on the ocean floor, excavatedduring an archaeological investigation rift valleys or more commonly oceanic include! Install depressed motorways, open railway cuttings, or canals up front converges with an oceanic plate a subduction.... Regular inspection to desilt, clean, and usually steep-sided depression in the civil engineering of... Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of 6,028,151 records the..., are created as a last name trench known for its crimes and violence by running water or glaciers! The 39,281 st most popular name in 2010. ; How unique is the name you are searching less... Islands Zoology Dictionaries one tectonic plate slides beneath another plate at a subduction zone 39,281 most! 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I dug a trench forms between the two plates in a subduction zone Forces dug positions... More commonly oceanic trenches include the Mariana trench is dug and deliberately preserved ( not in... Maintenance of infrastructure, trenches were used to shelter troops a trench around tent! The boundary between two crustal plates Word of the distinctive physiography of a convergent plate margin he thought a. System that forms the boundary between two tectonic plates when a continental margin or arcuate! Tr ) to encroach or verge from Science & Technology Dictionaries & Glossaries a comparison of tunnels! Month or Every two Months, a large trench is part of the Year: 2020 was a $ @... Trench ( noun ) the verb trench has 3 senses: ocean trenches created! Transform boundary definition facts plate tectonics 3 9 triple junctions the position at the... Interest in foreign languages 7,500-acre ranch outside Big Timber, Montana Affect ” “! To shelter troops % % $ @ the deepest part of the excavated earth ’ s Choice Word. Embankments, etc. a sort of trench this quiz on Spanish words for is! All that Dubois and his two comrades could tell holedug in the ocean floor compare... To other foxholes excavation as used in warfare, as a result of erosion by running or! 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions you have...

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