What's the difference between excavate and trench?

Excavate


Definition:

  • (v. t.) To hollow out; to form cavity or hole in; to make hollow by cutting, scooping, or digging; as, to excavate a ball; to excavate the earth.
  • (v. t.) To form by hollowing; to shape, as a cavity, or anything that is hollow; as, to excavate a canoe, a cellar, a channel.
  • (v. t.) To dig out and remove, as earth.

Example Sentences:

  • (1) The only sign of life was excavators loading trees on to barges to take to pulp mills.
  • (2) To reduce the risks posed by the hazard, the report recommends that a management plan be created to determine the level of soil contamination and for managing excavated soil, and to decommission disused septic tanks to prevent the spread of contamination.
  • (3) Although only a small section of the site has been excavated, there are baths, luxurious houses, an amphitheatre, a forum, shops, gardens with working fountains and city walls to explore, with many wonderful mosaics still in situ.
  • (4) The proximal tibial metaphyses of ten New Zealand white rabbits were excavated and filled with sheets of polyvinyl alcohol, into which a suspension of B. fragilis cells was injected on the right side, while saline was used on the left side.
  • (5) For miles, only the strip of land for the track is dug up, but in places the footprint is much wider: access routes for work vehicles; holding areas for excavated earth; new electricity substations; mounds of ballast prepared for the day when quarries cannot keep pace with the demands of the construction; extra lines for the trains that will lay the track.
  • (6) And it is allowed to deal in gold not excavated from the ground according to the well-known aharia frameworks with immediate effect.
  • (7) Protected by a rusty padlocked gate, Macrinus's tomb was targeted by thieves after it was first excavated in 2008.
  • (8) The injury begins as a small nodule with a keratotic innermost part that rapidly is excavated, grows centrifugally, appearing as a new lesion, an expansion of the primary one, in the posterior higher region, with the same characteristics.
  • (9) The purpose of this paper is to present a Mediaeval skeleton of an approximately 16 year old boy, which was excavated at a Danish cemetery containing ca.
  • (10) Huang Ren Zhong's striped parasol stands out against the muddy cliff of excavated earth.
  • (11) No matter how "sophisticated" they may seem to have become, contemporary methods for bioplanimetry of the optic disc vary in precision; easily overlooked or neglected optical influences must, indeed, be taken into consideration; and, of greatest detriment to the meaningfulness of any and all such results is the fact that even "experts" have difficulty in uniformly and reproducibly indicating where the boundaries of the optic disc and its excavation actually lie.
  • (12) The dissident Gleb Yakunin excavated evidence from the KGB archives in the 1990s that fingered high-ranking priests as KGB agents, including the former head of the church, Aleksei II, and the current, Patriarch Kirill I.
  • (13) Prolonged respiratory assistance by positive pressure ventilation via cuffed tracheostomy or endotracheal tube can be complicated by mucosal erosions, tracheal stenosis, tracheomalacia, excavation of the tracheal wall with loss of tissue and tracheoesophageal fistula.
  • (14) Eleven human optic nerves from subjects in different decades ranging from the fifth to the ninth were investigated with the silver carbonate method to establish the pattern and frequency of age changes within the optic nerve head and their relationship with the glaucomatous excavation.
  • (15) Such differential mineralization points on physiological and pathological processes in bone and teeth, and is frequently conserved both in excavated skeletal remains and in cremations.
  • (16) Israel has said demolishing tunnels is the principal goal of its ground operation and it has released footage showing tunnels being demolished by excavators and air strikes.
  • (17) All these results provide a good basis for the assumption that, in glaucoma, the main factor producing restriction of the field of vision and excavations of the papilla is defective irrigation of the papillary vessels, originating in the choroid membrane, with chronic ischemia of the papilla.
  • (18) The excavation method allowed for a complete elimination of the decayed dentinal tissue down to the hypermineralized zone.
  • (19) Alfred, a student of the “father of American anthropology” Franz Boas , gathered and preserved information about native peoples and traditions in California, excavated archaeological sites in Mexico and Peru, and some years before his daughter’s birth had briefly practised as a psychoanalyst.
  • (20) Excavations in the Dakotas, prior to the closure of the Missouri River dams, yielded much information on demographics, anomalies, and epidemiological patterns for specific abnormalities in prior inhabitants of the area over several centuries.

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.