What's the difference between drill and perforate?

Drill


Definition:

  • (v. t.) To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal.
  • (v. t.) To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline.
  • (v. i.) To practice an exercise or exercises; to train one's self.
  • (n.) An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press.
  • (n.) The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill.
  • (n.) Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar.
  • (n.) A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea.
  • (v. t.) To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum.
  • (v. t.) To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water.
  • (v. t.) To entice; to allure from step; to decoy; -- with on.
  • (v. t.) To cause to slip or waste away by degrees.
  • (v. i.) To trickle.
  • (v. i.) To sow in drills.
  • (n.) A small trickling stream; a rill.
  • (n.) An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made.
  • (n.) A light furrow or channel made to put seed into sowing.
  • (n.) A row of seed sown in a furrow.
  • (n.) A large African baboon (Cynocephalus leucophaeus).
  • (n.) Same as Drilling.

Example Sentences:

  • (1) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
  • (2) In late May, more than 50 residents of Ust-Usa protested the effects of oil drilling and plans for a new oil well near the village.
  • (3) Officers arrested her last month during the protest against oil drilling by the energy firm Cuadrilla at Balcombe in West Sussex – a demonstration Lucas has attended several times.
  • (4) An image depicting the British prime minister, David Cameron, is held by a protester during a rally at the former test drill site operated by Cuadrilla Resources in Balcombe.
  • (5) Based on available information regarding heat tolerance of neural tissue, all drills were found capable of producing hazardous temperature elevations.
  • (6) Some art experts have petitioned against Seracini drilling through the Vasari fresco, claiming any paint found behind might have been left by another artist.
  • (7) There were 119 quarry drilling and crusher workers (outdoor, physically active), 77 quarry truck and loader drivers (outdoor, physically inactive), 92 postal deliverymen (outdoor, physically active), 75 postal clerks (indoor, physically inactive), and 43 hospital maintenance workers (indoor, physically active).
  • (8) Salem County (NJ) Memorial Hospital cooperated in an areawide disaster drill and found that it took large doses of planning and cooperation to coordinate the effort.
  • (9) But the research drills down into the data to examine different cohorts separately, and discovers that reassuring overall averages are masking some striking variations.
  • (10) We now need to get on with exploratory drilling to find out the extent of the UK’s oil and gas reserves.” Geoff Davies, chief executive of Celtique, said: “We are studying the impact of the amendments [and] will make a decision in due course regarding the potential appeal of the Fernhurst planning refusal.” Cuadrilla did not respond to a request for comment.
  • (11) The selection of diamond-coates whetstones manufactured by Chirana for turbine drills is extended at present by two new types of toods with a different size of diamond particles.
  • (12) The effect of drill speed on biopsy size and quality for microscopy was studied postmortem.
  • (13) But its protests were far more muted than the complaints which saw off plans for drills there earlier this year.
  • (14) Preservation and usefulness of human gross temporal bones that have been dissected or drilled have always been a problem.
  • (15) We are looking to find solutions for global warming and yet we’re spending billions to drill deeper and deeper for oil.
  • (16) Oil is coating birds and delicate wetlands along the Louisiana coast, and the political fallout from the spill has reached Washington, where the head of the federal agency that oversees offshore drilling resigned today.
  • (17) This included estimation of the furthest distance that the cooling fluid, using coloured water, and the bone chips of a dry petrous temporal bone can be thrown, and the spread of the fine dust produced by the drilling using a staph.
  • (18) The left tibia served as a drilled but nonimplanted control.
  • (19) The risk factors with statistical significance in conditional logistic regression analysis were exposure time of smelting, time of underground drilling, and age of beginning mining underground.
  • (20) • Very robust questioning, known as the harsh approach, could be banned – or if not "the approach should not include an analogy with a military drill sergeant".

Perforate


Definition:

  • (v.) To bore through; to pierce through with a pointed instrument; to make a hole or holes through by boring or piercing; to pierce or penetrate the surface of.
  • (a.) Alt. of Perforated

Example Sentences:

  • (1) report the complications registered, in particular: lead's displacing 6.2%, run away 0.7%, marked hyperthermya 0.0%, haemorrage 0.4%, wound dehiscence 0.3%, asectic necrosis by decubitus 5%, septic necrosis 0.3%, perforation of the heart 0.2%, pulmonary embolism 0.1%.
  • (2) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (3) Compliance during dehydration was 7.6 and 12.5% change in IFV per millimeter Hg fall in IFP (micropipettes) in skin and muscle, respectively, whereas compliance in subcutis based on perforated capsule pressure was 2.0% change in IFV per millimeter Hg.
  • (4) The perforant pathway and fimbria fornix were transected to label afferent fibers to NPY-positive cells.
  • (5) As to complications they recorded in one case mucosal bleeding after gastrofiberoptic polypectomy and in one case a covered perforation of the sigmoid at the site of colonoscopic polypectomy.
  • (6) By way of major complications, merely one perforation occurred.
  • (7) Autopsy data of all patients who received EVS and who died (32 patients, 100%) during this period were available to confirm the diagnosis of perforation.
  • (8) The results of a prospective inquiry into the aspirin taking habits of a consecutive series of 118 patients admitted to a large general hospital with acute perforation of peptic ulcer are presented.
  • (9) No perforations, stenoses or thermic lesions after wound healing were observed.
  • (10) Other serious complications were reservoir perforation during catheterisation in 3 and development of stones in the reservoir in 2 patients.
  • (11) Major reported complications include hemorrhage, perforation, biliary and pancreatic obstruction, and inflammation with intestinal obstruction.
  • (12) A retrospective study was conducted into 136 patients who had received surgical treatment for perforated gastroduodenal ulcers, with the view to establishing postoperative lethality and morbidity (comparing simple suturing with definitive ulcer surgery).
  • (13) Three cases of gastroduodenal perforation and one case of ulceration and extreme thinning of the gastric wall occurred in preterm babies treated with dexamethasone for bronchopulmonary dysplasia.
  • (14) The energy required for perforation from the external surface to the anterior chamber was the same as the energy required for ab interno perforation.
  • (15) Cholecystokinin (CCK) as the sulfated (CCK-8S) and unsulfated (CCK-8U) octapeptide sequences, and CR 1409 were administered intraventricularly while the action potential (EAP) in the granular cell layer of the hippocampal dentate gyrus evoked by perforant path stimulation was recorded.
  • (16) At first the prognosis of perforating keratoplasty improved because of better surgical techniques, so that the number of indications increased.
  • (17) a) To determine the frequency of perforations in latex surgical gloves before, during, and after surgical and dental procedures; b) to evaluate the topographical distribution of perforations in latex surgical gloves after surgical and dental procedures; and c) to validate methods of testing for latex surgical glove patency.
  • (18) Perforations of the left atrial or ventricular wall and extravasations of contrast medium during transseptal left heart catheterisation or angiocardiography can be eliminated by replacing the normally used transseptal catheters by Pigtail-catheters.
  • (19) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
  • (20) Dairy pipeline cleaners were the single most common causative substance, injuring ten toddlers (mean age 1.6 years), perforating the esophagus in two.