trench meaning in science


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

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