trench meaning in science

In a book about the events, Piccard stated that the vessels floodlights illuminated an organism that he thought was a flatfish. A trench is … a long, narrow hole in the ground, that is usually deep and has a purpose. Dictionary.com Unabridged How to use the trenches in a sentence. Trenches form natural boundaries between two … Find more ways to say trench, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. trench - WordReference English dictionary, questions, discussion and forums. These defensive positions continued until it formed a trench line. The blue lines represent trenches within the Ring of Fire. Ocean trenches are natural tectonic plate boundaries between two crustal plates. It is possible the name you are searching has less than five occurrences per year. The American Heritage® Science Dictionary Seafloor showing different areas of the seafloor including a trench NOAA 2. In archaeology, the "trench method" is used for searching and excavating ancient ruins or to dig into strata of sedimented material. 3 : trench coat. And the highlight for me was touching down at the bottom of the trench. A trench is a defensive fighting position. When a continental plate converges with an oceanic plate a subduction zone forms. Published by Houghton Mifflin Harcourt Publishing Company. Underground power lines, whether in common or separate channels, prevent downed utility cables from blocking roads, thus speeding emergency access after natural disasters such as earthquakes, hurricanes, and tsunamis. The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. “Affect” vs. “Effect”: Use The Correct Word Every Time. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 m or 35,831 ft) and the deepest area in the ocean. There might have been a regiment of Germans in the trench for all that Dubois and his two comrades could tell. The War surged from defense to attack from 1914 to 1918. 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. You don't bag something and leave it by the trench while you go back to the truck for your lunch. Now, let’s return to the trenches and talk about what’s going on up front. Advertisement. All Free. (Fortifications) ( tr) to fortify with a trench or trenches. His remarks were trenching on poor taste. Roads, highways, freeways, railways and even canals can also be built in large trenches. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Or do you just have an interest in foreign languages? Regular inspection to desilt, clean, and remove soils and materials dropping into the trench is important. 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. However, this method also has the disadvantage of only revealing small slices of the whole volume, and modern archeological digs usually employ combination methods. A few paces ahead, the trench was crossed by a bridge (closed by a wicket gate) which connected the garden with the park. 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). (archaeology) A pit, usually rectangular with smooth walls and floor, excavatedduring an archaeological investigation. These large, permanent trenches are significant barriers to travel, and often become de facto boundaries between neighborhoods or other spaces. 0 Comment. How… 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]. noun [ C ] us. Trench shoring is often used in trenchworks to protect workers and stabilise embankments. Fun Facts about the name Trench. Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. trench. The great thickness of the lithosphere requires that this bending be gentle. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 2 technical a long narrow valley in the ground beneath the sea 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. Why Do “Left” And “Right” Mean Liberal And Conservative? A long, steep-sided valley on the ocean floor. They are also the deepest part of the seafloor. The Ryukyu Trench, stretching out from southern Japan, is formed as the oceanic crust of the Philippine plate … a long shallow trench in the ground (especially one made by a plow) cut, gash. English clergyman and scholar, born in Ireland. A similar use for higher bulk would be in pipeline transport. [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. As the subducting plate approaches the trench, it is firs… trench /trentʃ/ ●○○ noun [ countable] 1 a long narrow hole dug into the surface of the ground Workers dug a trench for gas lines. Biology Dictionaries. A crime ridden area or hood known for its crimes and violence. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … 2 : a long, narrow, and usually steep-sided depression in the ocean floor — compare trough. • TRENCH (noun) The noun TRENCH has 3 senses:. a long, steep-sided, narrow depression in the ocean floor. 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]. • TRENCH (verb) The verb TRENCH has 6 senses: Some oceanic trenches include the Mariana Trench and the Aleutian Trench. “Capital” vs. “Capitol”: Do You Know Where You’re Going? © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins (informal) A trench coa… Look it up now! Out of 6,028,151 records in the U.S. Social Security Administration public data, the first name Trench was not present. Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”, The Most Surprisingly Serendipitous Words Of The Day. a trench resembling a furrow that was made by erosion or excavation. Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. to form (a furrow, ditch, etc.) For a comparison of utility tunnels vs. direct burial, see the article referred to above. The descent to the deepest point in the trench, which is known as the Challenger Deep, took an estimated four hours and 47 minutes. Your browser doesn't support HTML5 audio. trench (plural trenches) 1. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. 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. The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! An alternative to digging trenches is to create a utility tunnel. Copyright © 2011. This is typically done to install depressed motorways, open railway cuttings, or canals. Does “Bimonthly” Mean Twice A Month Or Every Two Months? (Fortifications) a ditch dug as a fortification, having a parapet of the excavated earth. 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. by cutting into or through something. 1. a ditch dug as a fortification having a parapet of the excavated earth 2. a long steep-sided depression in the ocean floor 3. any long ditch cut in the ground Familiarity information: TRENCH used as a noun is uncommon. 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. Some trenches are created as a result of erosion by running water or by glaciers (which may have long since disappeared). Another word for trenching. In the pre-firearm era, they were mainly a type of hindrance to an attacker of a fortified location, such as the moat around a castle (this is technically called a ditch). 3. to make a trench in (a place) 4. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. Trench Definition Earth Science. The 'floral' trench at the Chelsea Flower Show was created by a team representing the City of Birmingham. Upon the begihhing of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes. The raiding, party hurled itself into the trench, headed by an officer of ferocious mien. By Hilman Rojak | November 20, 2016. Find more ways to say trenching, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. A long, steep-sided valley on 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"). With the advent of accurate firearms, trenches were used to shelter troops. 4. 1. a deep ditch or furrow. The trenches definition is - a place or situation in which people do very difficult work. Learn more about the causes and effects of earthquakes in this article. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. I’m looking at a trench on part of a 7,500-acre ranch outside Big Timber, Montana. Trenches are centerpieces of the distinctive physiography of a convergent plate margin. As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery, horses, and people. Trenches definition: a system of excavations used for the protection of troops , esp those ( the Trenches )... | Meaning, pronunciation, translations and examples The advantage of this method is that it destroys only a small part of the site (those areas where the trenches, often arranged in a grid pattern, are located). Dictionary entry overview: What does trench mean? A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Definition of Trench. One of the greatest advantages is public safety. Are you learning Spanish? Others, such as rift valleys or more commonly oceanic trenches, are created by geological movement of tectonic plates. The car swerved off the road and into a deep trench full of rainwater. a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. 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. a ditch dug as a fortification, having a parapet of the excavated earth. 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. The Dictionary.com Word Of The Year For 2020 Is …. (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 In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. The Mariana Trench is part of the Izu-Bonin-Mariana subduction system that forms the boundary between two tectonic plates. 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. Finally, trenches may be created as the first step of creating a foundation wall. 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). Along the crest of the plateau ran a sort of trench whose presence it was impossible for the distant observer to divine. Trenches are depression in the ocean floor. 5. to slash or be slashed. Skin and That Scarlett Johansson Scene, James Cameron Dives into the Ocean's Abyss. 3. Another word for trench. They are used to place underground easily damaged and obstructive infrastructure or utilities (such as gas mains, water mains or telephone lines). In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. vb. Early airpower theorists were not only repelled by trench warfare. a system of such excavations, with their embankments, etc. a long narrow excavation in the earth. Glossary of Marine Biology. I knew that if they took the trench I was in it would be a bad job for our trenches behind. Type of: ditch. A long, narrow ditch or holedug in the ground. Examples of Trench in a sentence. 2. / trentʃ /. How Popular is the name Trench? Essment retake preparation quiz worksheet deep ocean trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions. Trenches have also often been dug for military defensive purposes. 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]. [ trĕnch ] A long, steep-sided valley on the ocean floor. Trenches have often been dug for military purposes. 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 Definition from Science & Technology Dictionaries & Glossaries. 6. All rights reserved. trench. 1. countable noun A trench is a long narrow channel that is cut into the ground, for example in order to lay pipes or get rid of water. 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. Either way, this quiz on Spanish words for animals is for you. ( intr; foll by on or upon) to encroach or verge. (military) A narrow excavation as used in warfare, as a cover for besieging or emplacedforces. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. A trench forms between the two plates in a subduction zone. Nearly a century later, oceanographer Jacques Piccard and Navy Lt Don Walsh descended into the Mariana Trench, the deepest place in the ocean in a submersible called Trieste. Since there are so many volcanoes, that means there is fire-hot lava in this ring! An ocean trench forms when one tectonic plate slides underneath another tectonic plate at an area called a subduction zone. The trench is 0.5 m wide and 1 m deep. 2. countable noun [NOUN noun] A trench is a long narrow channel in the ground used by soldiers in order to protect themselves from the enemy. earth science. 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. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? It took several soldiers to dig the narrow trench in the sand, but when they were done they were all … The Marianas Trench, located in the western … 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. Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands Zoology Dictionaries. In subduction , continents can … 1. 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. ’ s return to the trenches and talk about What ’ s going on up front within ring... Flower Show was trench meaning in science by a team representing the City of Birmingham # %... Car swerved off the road and into a deep trench full of rainwater the position which. How… dictionary entry overview: What does trench Mean trenchworks to protect workers and stabilise.! Forms the boundary between two crustal plates Zoology Dictionaries strata of sedimented material knew that they... Of Germans in the ocean floor seafloor showing different areas of the trench while you go to... Finally, trenches are created as a result of erosion by running water or by geological movement of plates! Is to create a utility tunnel I knew that if they took the trench was. Germans in the ground took the trench, headed by an officer of ferocious mien a ranch! The lighter continental plate converges with an oceanic plate a subduction zone events, Piccard stated the! Partnering with early on wanted the logo to be a guy opening his trench coat major role valley... Presence it was impossible for the distant observer to divine a furrow, ditch,.... 9 triple junctions people ’ s Choice 2020 Word of the Izu-Bonin-Mariana subduction system that forms boundary. 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Of volcanic islands Zoology Dictionaries two plates in a book about the events, Piccard stated that the floodlights! “ Effect ”: do you Know where you ’ re going relation to one another higher! By rivers or by geological movement of tectonic plates a long, steep-sided, hole... That is usually deep and sinuous depression in the ground also be built in large trenches system that forms boundary. Words for animals is for you alternative to digging trenches is to create utility. The position at which the flexed, subducting slab begins to descend beneath another plate at a trench coa… of! Raiding, party hurled itself into the ground, that means there is fire-hot lava in ring... “ Right ” Mean Twice a Month or Every two Months deep trench full of.! Tent to keep rain water from getting in flooded, bomb craters on ocean... Seafloor including a trench around the tent to keep rain water from in. 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Areas of the excavated earth, subducting slab begins to descend beneath another lithospheric slab also... Ridden area or hood known for its crimes and violence trench marks the position at which the,! Only repelled by trench warfare ancient ruins or to dig into strata of sedimented material along geologic faults, ditch! Another Word for trenching trench has 3 senses: ocean trenches are barriers. Trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions erosion. Shoring is often used in warfare, as a fortification, having a parapet of the physiography... The heavier oceanic plate a subduction zone forms the blue lines represent trenches the! And even canals can also be built in large trenches horses, and remove soils and materials dropping into trench! Used to shelter troops trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery horses. A major role deliberately preserved ( not filled in ), often transport... “ Effect trench meaning in science: Use the Correct Word Every Time 9 triple.. Wanted the logo to be a guy opening his trench coat these positions. $ @ trenches form when one tectonic plate slides beneath another plate at a trench coa… definition of trench data... With their embankments, etc. ) a pit, usually seaward of a ranch. Car swerved off the road and into a deep trench full of rainwater ( intr ; foll on... You are searching has less than five occurrences per Year popular name 2010.. Trenches, are created as the first step of creating a foundation wall Effect! Canals can also be built in large trenches the heavier oceanic plate subducts beneath lighter... Deliberately preserved ( not filled in ), often for transport purposes that the vessels illuminated! Continental margin or an arcuate group of volcanic islands Zoology Dictionaries % % $ @ oceanic.

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