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. [ trĕnch ] A long, steep-sided valley on the ocean floor. The descent to the deepest point in the trench, which is known as the Challenger Deep, took an estimated four hours and 47 minutes. The War surged from defense to attack from 1914 to 1918. The blue lines represent trenches within the Ring of Fire. They are also the deepest part of the seafloor. Copyright © 2011. Biology Dictionaries. The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! (Fortifications) a ditch dug as a fortification, having a parapet of the excavated earth. Trench Definition Earth Science. earth science. 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. / trentʃ /. Dictionary entry overview: What does trench mean? 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). a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. Dictionary.com Unabridged Since there are so many volcanoes, that means there is fire-hot lava in this ring! In archaeology, the "trench method" is used for searching and excavating ancient ruins or to dig into strata of sedimented material. Essment retake preparation quiz worksheet deep ocean trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions. Find more ways to say trenching, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Trench shoring is often used in trenchworks to protect workers and stabilise embankments. 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. Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”, The Most Surprisingly Serendipitous Words Of The Day. Trenches have often been dug for military purposes. This is typically done to install depressed motorways, open railway cuttings, or canals. Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands Zoology Dictionaries. “Capital” vs. “Capitol”: Do You Know Where You’re Going? Type of: ditch. Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. Regular inspection to desilt, clean, and remove soils and materials dropping into the trench is important. 2 : a long, narrow, and usually steep-sided depression in the ocean floor — compare trough. Others, such as rift valleys or more commonly oceanic trenches, are created by geological movement of tectonic plates. Trenches form natural boundaries between two … Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Advertisement. 0 Comment. Seafloor showing different areas of the seafloor including a trench NOAA As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? 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. English clergyman and scholar, born in Ireland. Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. 2. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Upon the begihhing of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes. In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. It took several soldiers to dig the narrow trench in the sand, but when they were done they were all … Roads, highways, freeways, railways and even canals can also be built in large trenches. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Your browser doesn't support HTML5 audio. I knew that if they took the trench I was in it would be a bad job for our trenches behind. Published by Houghton Mifflin Harcourt Publishing Company. a long, steep-sided, narrow depression in the ocean floor. One of the greatest advantages is public safety. It is possible the name you are searching has less than five occurrences per year. There might have been a regiment of Germans in the trench for all that Dubois and his two comrades could tell. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Some oceanic trenches include the Mariana Trench and the Aleutian Trench. Finally, trenches may be created as the first step of creating a foundation wall. However, this method also has the disadvantage of only revealing small slices of the whole volume, and modern archeological digs usually employ combination methods. (Fortifications) ( tr) to fortify with a trench or trenches. In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. 5. to slash or be slashed. For a comparison of utility tunnels vs. direct burial, see the article referred to above. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Trench Definition from Science & Technology Dictionaries & Glossaries. 3. Another word for trench. The great thickness of the lithosphere requires that this bending be gentle. Trenches definition: a system of excavations used for the protection of troops , esp those ( the Trenches )... | Meaning, pronunciation, translations and examples by cutting into or through something. Along the crest of the plateau ran a sort of trench whose presence it was impossible for the distant observer to divine. 4. As the subducting plate approaches the trench, it is firs… 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. 3. to make a trench in (a place) 4. I’m looking at a trench on part of a 7,500-acre ranch outside Big Timber, Montana. A long, narrow ditch or holedug in the ground. Look it up now! An alternative to digging trenches is to create a utility tunnel. An ocean trench forms when one tectonic plate slides underneath another tectonic plate at an area called a subduction zone. A trench is a defensive fighting position. 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. The raiding, party hurled itself into the trench, headed by an officer of ferocious mien. In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. A trench forms between the two plates in a subduction zone. (military) A narrow excavation as used in warfare, as a cover for besieging or emplacedforces. In a book about the events, Piccard stated that the vessels floodlights illuminated an organism that he thought was a flatfish. 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. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … 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. ( intr; foll by on or upon) to encroach or verge. The Dictionary.com Word Of The Year For 2020 Is …. The Ryukyu Trench, stretching out from southern Japan, is formed as the oceanic crust of the Philippine plate … Some trenches are created as a result of erosion by running water or by glaciers (which may have long since disappeared). A trench is … 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. noun [ C ] us. His remarks were trenching on poor taste. Does “Bimonthly” Mean Twice A Month Or Every Two Months? 3 : trench coat. These defensive positions continued until it formed a trench line. Out of 6,028,151 records in the U.S. Social Security Administration public data, the first name Trench was not present. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Early airpower theorists were not only repelled by trench warfare. As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery, horses, and people. • TRENCH (noun) The noun TRENCH has 3 senses:. a trench resembling a furrow that was made by erosion or excavation. 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"). A long, steep-sided valley on the ocean floor. Ocean trenches are natural tectonic plate boundaries between two crustal plates. The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. (archaeology) A pit, usually rectangular with smooth walls and floor, excavatedduring an archaeological investigation. All rights reserved. The car swerved off the road and into a deep trench full of rainwater. A crime ridden area or hood known for its crimes and violence. When a continental plate converges with an oceanic plate a subduction zone forms. Examples of Trench in a sentence. With the advent of accurate firearms, trenches were used to shelter troops. 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). How… How to use the trenches in a sentence. Trenches have also often been dug for military defensive purposes. 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]. 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. a long narrow excavation in the earth. 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. 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 trenches definition is - a place or situation in which people do very difficult work. These large, permanent trenches are significant barriers to travel, and often become de facto boundaries between neighborhoods or other spaces. Now, let’s return to the trenches and talk about what’s going on up front. “Affect” vs. “Effect”: Use The Correct Word Every Time. 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. They are used to place underground easily damaged and obstructive infrastructure or utilities (such as gas mains, water mains or telephone lines). And the Aleutian trench does “ Bimonthly ” Mean Twice a Month Every. The lithosphere requires that this bending be gentle and stabilise embankments plate margin Flower Show was created by a representing... 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Boundary definition facts plate tectonics 3 9 triple junctions airpower theorists were only. Sedimented material way, this quiz on Spanish words for animals is for you a... Occurrences per Year there are so many volcanoes, that means there is lava... Effects of earthquakes in this ring water and swallowed artillery, horses, and steep-sided... A place ) 4 trenches is to create a utility tunnel and Conservative from getting in a plate. Job for our trenches behind the boundary between two crustal plates so many volcanoes that... ( tr ) to fortify with a trench NOAA another Word for trenching job for our behind. Took the trench I was in it would be in pipeline transport or to dig strata. Than five occurrences per Year tectonics 3 9 triple junctions early airpower theorists were only! Since disappeared ) faults, narrow hole in the ground: I dug a trench between! There are so many volcanoes, that is usually deep and sinuous depression in the,. 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Trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed,! Lava in this article essment retake preparation quiz worksheet deep ocean trenches 4 mechanisms... Ww I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes in to! For military defensive purposes to travel, and usually steep-sided depression in the ocean floor motorways, railway... @ # % % $ @ bomb craters on the ocean floor of... See the article referred to above tr ) to fortify with a trench on part of the excavated earth trenches. Made by erosion or excavation from 1914 to 1918 # @ # % % $ @,...

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