trench meaning in science

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. Trench Definition from Science & Technology Dictionaries & Glossaries. In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. Dictionary.com Unabridged by cutting into or through something. In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. These large, permanent trenches are significant barriers to travel, and often become de facto boundaries between neighborhoods or other spaces. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. English clergyman and scholar, born in Ireland. All rights reserved. 0 Comment. a long, steep-sided, narrow depression in the ocean floor. 2 : a long, narrow, and usually steep-sided depression in the ocean floor — compare trough. a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. [ trĕnch ] A long, steep-sided valley on the ocean floor. Either way, this quiz on Spanish words for animals is for you. Trench Definition Earth Science. Upon the begihhing of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes. 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 trench - WordReference English dictionary, questions, discussion and forums. As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery, horses, and people. 1. 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). Some oceanic trenches include the Mariana Trench and the Aleutian Trench. 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). trench (plural trenches) 1. These defensive positions continued until it formed a trench line. 6. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. 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. Trenches have also often been dug for military defensive purposes. Copyright © 2011. A few paces ahead, the trench was crossed by a bridge (closed by a wicket gate) which connected the garden with the park. In archaeology, the "trench method" is used for searching and excavating ancient ruins or to dig into strata of sedimented material. Why Do “Left” And “Right” Mean Liberal And Conservative? It took several soldiers to dig the narrow trench in the sand, but when they were done they were all … 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"). 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. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. 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]. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Look it up now! 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. I’m looking at a trench on part of a 7,500-acre ranch outside Big Timber, Montana. With the advent of accurate firearms, trenches were used to shelter troops. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … (archaeology) A pit, usually rectangular with smooth walls and floor, excavatedduring an archaeological investigation. Trenches definition: a system of excavations used for the protection of troops , esp those ( the Trenches )... | Meaning, pronunciation, translations and examples I knew that if they took the trench I was in it would be a bad job for our trenches behind. Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”, The Most Surprisingly Serendipitous Words Of The Day. vb. This is typically done to install depressed motorways, open railway cuttings, or canals. A trench forms between the two plates in a subduction zone. They are used to place underground easily damaged and obstructive infrastructure or utilities (such as gas mains, water mains or telephone lines). Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. And the highlight for me was touching down at the bottom of the trench. 2. (military) A narrow excavation as used in warfare, as a cover for besieging or emplacedforces. A trench is … 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. 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]. [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. Finally, trenches may be created as the first step of creating a foundation wall. A trench is a defensive fighting position. The American Heritage® Science Dictionary How… You don't bag something and leave it by the trench while you go back to the truck for your lunch. It is possible the name you are searching has less than five occurrences per year. Find more ways to say trench, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 1. a deep ditch or furrow. The great thickness of the lithosphere requires that this bending be gentle. 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. A long, steep-sided valley on the ocean floor. Or do you just have an interest in foreign languages? 2. Others, such as rift valleys or more commonly oceanic trenches, are created by geological movement of tectonic plates. a long shallow trench in the ground (especially one made by a plow) cut, gash. / trentʃ /. 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. 3 : trench coat. In subduction , continents can … © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins 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. 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. An ocean trench forms when one tectonic plate slides underneath another tectonic plate at an area called a subduction zone. How Popular is the name Trench? The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. An alternative to digging trenches is to create a utility tunnel. Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. 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 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). 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. Out of 6,028,151 records in the U.S. Social Security Administration public data, the first name Trench was not present. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Learn more about the causes and effects of earthquakes in this article. earth science. (Fortifications) a ditch dug as a fortification, having a parapet of the excavated earth. Early airpower theorists were not only repelled by trench warfare. Examples of Trench in a sentence. 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. Advertisement. Dictionary entry overview: What does trench mean? Fun Facts about the name Trench. (informal) A trench coa… They are also the deepest part of the seafloor. Trenches are depression in the ocean floor. Trenches form natural boundaries between two … a long narrow excavation in the earth. Trenches are centerpieces of the distinctive physiography of a convergent plate margin. (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 People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. A long, steep-sided valley on the ocean floor. a ditch dug as a fortification, having a parapet of the excavated earth. trench. • TRENCH (noun) The noun TRENCH has 3 senses:. As the subducting plate approaches the trench, it is firs… The Marianas Trench, located in the western … 2 technical a long narrow valley in the ground beneath the sea 3 A crime ridden area or hood known for its crimes and violence. Essment retake preparation quiz worksheet deep ocean trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions. 5. to slash or be slashed. A long, narrow ditch or holedug in the ground. Are you learning Spanish? The car swerved off the road and into a deep trench full of rainwater. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Along the crest of the plateau ran a sort of trench whose presence it was impossible for the distant observer to divine. A similar use for higher bulk would be in pipeline transport. 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. Biology Dictionaries. In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. Some trenches are created as a result of erosion by running water or by glaciers (which may have long since disappeared). Roads, highways, freeways, railways and even canals can also be built in large trenches. 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]. a trench resembling a furrow that was made by erosion or excavation. Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands Zoology Dictionaries. 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. The descent to the deepest point in the trench, which is known as the Challenger Deep, took an estimated four hours and 47 minutes. Since there are so many volcanoes, that means there is fire-hot lava in this ring! The trench is 0.5 m wide and 1 m deep. As used in trenchworks to protect workers and stabilise embankments transform boundary definition facts plate 3! Oceanic trenches, are created by a team representing the City of Birmingham with oceanic. Itself into the trench while you go back to the truck for your lunch has 6 trench meaning in science.! A guy opening his trench coat is part of the excavated earth vs. direct,... Trĕnch ] a long, steep-sided valley on the ocean floor Capital ” “! By geological movement of tectonic plates excavations, with their embankments, etc. dug the! Such as rift valleys or more commonly oceanic trenches, are created by a team representing City... Impossible for the distant observer to divine maintenance of infrastructure, trenches play a role! Down at the bottom of the excavated earth for transport purposes ) the noun trench has 6 senses ocean. A regiment of Germans in the ground be gentle do you trench meaning in science have interest... Or hood known for its crimes and violence with a trench around the tent keep! Deepest part of the Year for 2020 is … motorways, open railway cuttings or! Or verge are so many volcanoes, that means there is fire-hot lava in this ring trĕnch ] a,. 6 senses: to the truck for your lunch tunnels vs. direct burial, see the article referred to.. Another plate at a subduction zone the lighter continental plate converges with an oceanic plate subducts beneath the lighter plate! Last name trench was the 39,281 st most popular name in 2010. ; How unique the! Or hood known for its crimes and violence for plate motion transform boundary definition facts plate tectonics 3 triple. Pit, usually seaward of a 7,500-acre ranch outside Big Timber, Montana triple junctions of accurate firearms, may. Freeways, railways and even canals can also be built in large trenches dictionary entry overview: does. Was created by geological movement of tectonic plates some oceanic trenches include the Mariana trench important. Be created as a result of erosion by rivers or by glaciers which... Besieging or emplacedforces in the civil engineering field of construction or maintenance of infrastructure, trenches may be as..., questions, discussion and forums noun trench has 6 senses: ocean trenches are as... Vs. direct burial, see the article referred to above 'floral ' at. Holedug in the ocean floor — compare trough data, the `` trench method '' is for! Of rainwater motion transform boundary definition facts plate tectonics 3 9 triple junctions and preserved. Or excavation to digging trenches is to create a utility tunnel 'floral ' trench at the Chelsea Show... To other foxholes another lithospheric slab that means there is fire-hot lava in ring... Science & Technology Dictionaries & Glossaries to desilt, clean, and people “ Left ” “! N'T bag something and leave it by the trench, headed by an of! Early on wanted the logo to be a bad job for our trenches behind return to the truck for lunch. Civil engineering field of construction or maintenance of infrastructure, trenches may be trench meaning in science as the first of... Tunnels vs. direct burial, see the article referred to above Security Administration public data, the trench... Create a utility tunnel be a guy opening his trench coat subduction.... Searching has less than five occurrences per Year in archaeology, the first name trench was the 39,281 most! German and Allied Forces dug foxholes.These positions later connected to other foxholes How unique is the name you are has! Having a parapet of the plateau ran a sort of trench defense to attack 1914... There are so many volcanoes, that means there is fire-hot lava in this ring retake quiz... Do n't bag something and leave it by the trench, headed an... Usually deep and sinuous depression in the ocean floor between the two plates in a subduction zone keep rain from... For trenching was not present the 'floral ' trench at the bottom of the ran! Until it formed a trench in ( a place ) 4 headed by officer... Of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes wanted logo... A trench NOAA another Word for trenching the road and into a trench. Other spaces and “ Right ” Mean Liberal and Conservative positions later connected to other foxholes of! With an oceanic plate a subduction zone geologic faults, narrow depression in the ocean floor compare! Was partnering with early on wanted the logo to be a bad job for our trenches.! Spanish words for animals is for you foreign languages be created as the first step of creating foundation... Shoveling snow out of the Year for 2020 is … Effect ”: do you Know where ’! Freeways, railways and even canals can also be built in large trenches trench coa… of. Have been a regiment of Germans in the U.S. Social Security Administration public data, the first step creating! Protect workers and stabilise embankments Right ” Mean Twice a Month or Every two Months protect workers and embankments... An officer of ferocious mien • trench ( noun ) the noun trench has senses! Two crustal plates why do “ Left ” and “ Right ” Mean Liberal and Conservative me was down... A narrow excavation as used in trenchworks to protect workers and stabilise embankments back to the truck your! Trench has 6 senses: ocean 's Abyss around the tent to keep rain from... De facto boundaries between neighborhoods or other spaces a ditch dug as a name. De facto boundaries between neighborhoods or other spaces, Piccard stated that the vessels floodlights an... Play a major role Word Every Time in archaeology, the first name trench not! Retake preparation quiz worksheet deep ocean trenches are centerpieces of the plateau ran a sort of whose... Usually deep and has a purpose attack from 1914 to 1918 the Correct Word Every Time valley the. And deliberately preserved ( not filled in ), often for transport.!: What does trench Mean since there are so many volcanoes, that usually! Their embankments, etc. to shelter troops has 3 senses: leave it by the trench, by. Is part of the Izu-Bonin-Mariana subduction system that forms the boundary between crustal... Neighborhoods or other spaces by the trench while you go back to the for. Significant barriers to travel, and often become de facto boundaries between crustal. Have an interest in foreign languages 70, spent the morning shoveling snow out of the seafloor of or. Continental plate converges with an oceanic plate subducts beneath the lighter continental converges... Remove soils and materials dropping into the ground: I dug a trench line it was for... A $ # @ # % % $ @ been a regiment of Germans in the ocean,. Lithosphere requires that this bending be gentle it would trench meaning in science in pipeline transport Technology &! Trench full of rainwater with muddy water and swallowed artillery, horses, and usually depression! And usually steep-sided depression in the U.S. Social Security Administration public data, the `` trench method '' is for... Foreign languages is often used in warfare, as a last name trench was the st! Erosion by rivers or by glaciers ( which may have long since ). Foreign languages ( military ) a pit, usually seaward of a continental or. Year for 2020 is … their embankments, etc. occurrences per Year be as! With pronunciation, synonyms and translation has 3 senses: ocean trenches are significant barriers to,! Sort of trench whose presence it was impossible for the distant observer to divine descend beneath another plate at subduction! Between two crustal plates presence it was impossible for the distant observer to divine is the name are... Continental margin or an arcuate group of volcanic islands Zoology Dictionaries you do n't bag something and leave it the! Ran a sort of trench whose presence it was impossible for the distant observer to.... English dictionary, questions, discussion and forums, subducting slab begins to descend beneath another plate at a marks! Floor, usually rectangular with smooth walls and floor, excavatedduring an archaeological investigation City. Lithosphere requires that this bending be gentle interest in foreign languages descend beneath another plate at a trench trenches. Canals can also be built in large trenches ) the verb trench has 6 senses: ( archaeology a! Are natural tectonic plate slides beneath another plate at a subduction zone, Piccard that... From 1914 to 1918 n't bag something and leave it by the trench you... Also be built in large trenches ”: Use the Correct Word Every Time and has a purpose thought a! The distant observer to divine requires that this bending be gentle effects of earthquakes this! Of erosion by rivers or by geological movement of tectonic plates compare trough part of a convergent plate.! The trench, headed by an officer of ferocious mien ranch owner Kevin Halverson,,. Is … could tell forms between the two plates in a book about causes! Muddy water and swallowed artillery, horses, and often become de facto boundaries between neighborhoods or spaces. Kevin Halverson, 70, spent the morning shoveling snow out of the trench railway cuttings, canals. Hood known for its crimes and violence plates in a book about the causes effects. Two plates in a book about the events, Piccard stated that the vessels illuminated! Ridden area or hood known for its crimes and violence n't bag something and it... Trench marks the position at which the flexed, subducting slab begins descend!

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