What's the difference between pit and trench?

Pit


Definition:

  • (n.) A large cavity or hole in the ground, either natural or artificial; a cavity in the surface of a body; an indentation
  • (n.) The shaft of a coal mine; a coal pit.
  • (n.) A large hole in the ground from which material is dug or quarried; as, a stone pit; a gravel pit; or in which material is made by burning; as, a lime pit; a charcoal pit.
  • (n.) A vat sunk in the ground; as, a tan pit.
  • (n.) Any abyss; especially, the grave, or hades.
  • (n.) A covered deep hole for entrapping wild beasts; a pitfall; hence, a trap; a snare. Also used figuratively.
  • (n.) A depression or hollow in the surface of the human body
  • (n.) The hollow place under the shoulder or arm; the axilla, or armpit.
  • (n.) See Pit of the stomach (below).
  • (n.) The indentation or mark left by a pustule, as in smallpox.
  • (n.) Formerly, that part of a theater, on the floor of the house, below the level of the stage and behind the orchestra; now, in England, commonly the part behind the stalls; in the United States, the parquet; also, the occupants of such a part of a theater.
  • (n.) An inclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are trained to kill rats.
  • (n.) The endocarp of a drupe, and its contained seed or seeds; a stone; as, a peach pit; a cherry pit, etc.
  • (n.) A depression or thin spot in the wall of a duct.
  • (v. t.) To place or put into a pit or hole.
  • (v. t.) To mark with little hollows, as by various pustules; as, a face pitted by smallpox.
  • (v. t.) To introduce as an antagonist; to set forward for or in a contest; as, to pit one dog against another.

Example Sentences:

  • (1) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
  • (2) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
  • (3) Both types of oral cleft, cleft palate (CP) and cleft lip with or without CP (CLP), segregate in these families together with lower lip pits or fistulae in an autosomal dominant mode with high penetrance estimated to be K = .89 and .99 by different methods.
  • (4) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
  • (5) On land, the pits' stagnant pools of water become breeding grounds for dengue fever and malaria.
  • (6) Demonstration of low levels of Pit-1 expression in Ames dwarf (df) mice implies that both Pit-1 and df expression may be required for pituitary differentiation.
  • (7) At 4 degrees C or after fixation, anti-renal tubular brush border vesicle (BBV) IgG bound diffusely to the surface of GEC and to coated pits.
  • (8) A cell with a large Golgi apparatus and associated cytoplasmic granules resembles the pit cell described in the liver of a few other vertebrates.
  • (9) Pitting corrosion was seen on low-resistant Ni-Cr alloys, which had less Cr content.
  • (10) This brings lads like 12-year-old Matthew Mason down from the magnificent studio his father Mark, from a coal-mining town ravaged by pit closures, lovingly built him in the back garden at Gants Hill, north-east London.
  • (11) Stonehenge stood at the heart of a sprawling landscape of chapels, burial mounds, massive pits and ritual shrines, according to an unprecedented survey of the ancient grounds.
  • (12) Freeze fracture analysis confirmed the integrity of the tight junctions as well as increased numbers of vesicles or pits along the lateral cell membrane, indicating increased endocytotic activity.
  • (13) Likewise, the cost of emptying these pits can be high.
  • (14) Bifid uvula, preauricular pits, and abnormal palmar creases were also slightly more common in the patients, but the differences were not statistically significant.
  • (15) Hypertrophic fibrous astrocytes were common in chronic active lesions, were capable of myelin degradation and on occasion, contained myelin debris attached to clathrin-coated pits.
  • (16) A mother and daughter both presented at age 5 years with the triad of right-sided congenital cholesteatoma, right preauricular pits, and bilateral sensorineural hearing loss.
  • (17) In addition, the perfusion method in this experiment suggested the possibility of distinguishing pinocytotic vesicles from pits of cell membranes.
  • (18) Performance pay pitting teachers against each other just does not work - we are not in favour of that,” Merlino said.
  • (19) Both larval stages had an inner circle of 6 labial papillae, an outer circle of 6 labial papillae and 4 somatic papillae, and lateral amphidial pits.
  • (20) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.

Trench


Definition:

  • (v. t.) To cut; to form or shape by cutting; to make by incision, hewing, or the like.
  • (v. t.) To fortify by cutting a ditch, and raising a rampart or breastwork with the earth thrown out of the ditch; to intrench.
  • (v. t.) To cut furrows or ditches in; as, to trench land for the purpose of draining it.
  • (v. t.) To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next; as, to trench a garden for certain crops.
  • (v. i.) To encroach; to intrench.
  • (v. i.) To have direction; to aim or tend.
  • (v. t.) A long, narrow cut in the earth; a ditch; as, a trench for draining land.
  • (v. t.) An alley; a narrow path or walk cut through woods, shrubbery, or the like.
  • (v. t.) An excavation made during a siege, for the purpose of covering the troops as they advance toward the besieged place. The term includes the parallels and the approaches.

Example Sentences:

  • (1) Its boot always held a bivouac bag, a trenching tool of some sort and a towel and trunks, in case he passed somewhere interesting to sleep, dig, or swim.
  • (2) The RSC’s Erica Whyman stages a story inspired by a local man, the Royal Warwickshire Regiment’s Captain Bruce Bairnsfather, who was known as the cartoonist of the trenches and survived the war to work at the original Shakespeare Memorial theatre.
  • (3) Stephen Fisher, one of the archaeologists recording the site, says digging the trenches would also have been training for the men, who would soon have to do it for real, and the little slit trenches scattered across the site, just big enough for one man to cower in, might represent their first efforts.
  • (4) Upon segregation of the conidium from the phialide cell by conidial wall formation, 'trench-like' invaginations gradually appeared in the plasma membrane and a disorganized rodlet pattern was formed on the outer surface of the maturing conidial wall.
  • (5) The field was taped off while a mechanical digger clawed at the ground, making parallel trenches in the sandy earth.
  • (6) Scores of archaeologists working in a waterlogged trench through the wettest summer and coldest winter in living memory have recovered more than 10,000 objects from Roman London , including writing tablets, amber, a well with ritual deposits of pewter, coins and cow skulls, thousands of pieces of pottery, a unique piece of padded and stitched leather – and the largest collection of lucky charms in the shape of phalluses ever found on a single site.
  • (7) He sees HS2 as a "huge trench across the country where we can learn an awful lot about new sites.
  • (8) But his attitude gradually hardened, particularly after he reached the trenches.
  • (9) "It looks solid," said Jean Pascal Zanders, a Belgian expert who runs a blog on chemical weapons called The Trench .
  • (10) What they learn can be summed up in one word: trenches.
  • (11) The archaeologists had to wear slippers to preserve the site which, at the bottom of a two-metre trench, picked up much damp.
  • (12) A variety of cold exposure injuries were discussed, including frostnip, chilblains, trench foot, frostbite, and hypothermia.
  • (13) Alan Trench, an academic specialising in devolution and adviser to expert government commissions, said: "It's clear that Labour voters generally have concerns about how things are at the moment.
  • (14) But if trapped deep inside wreckage or an underwater trench, the effectiveness can be hindered.
  • (15) French troops wearing an early form of gas mask in the trenches during the second Battle of Ypres in 1915.
  • (16) Keeping within the string lines of your footprint, dig a trench about 15cm deep and lay the foundation stones flat and level.
  • (17) But according to Wayne Cocroft, an English Heritage expert on wartime archaeology, although 20 other trench training sites have been recorded across Britain, many have been damaged by later development, and both the scale and the state of preservation of the Gosport complex is exceptional.
  • (18) Working in a location to the southeast of Kathmandu, Paul Tapponnier, an earth scientist at the Earth Observatory of Singapore , and his team dug trenches across the fault and used charcoal to date when it had moved.
  • (19) There are no trenches, barbed wire fences or tank traps.
  • (20) Accessory glandular tissues were atrophied and debris filled the trenches of the papillae.