What's the difference between shelf and shoal?

Shelf


Definition:

  • (v. i.) A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament.
  • (v. i.) A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships.
  • (v. i.) A stratum lying in a very even manner; a flat, projecting layer of rock.
  • (v. i.) A piece of timber running the whole length of a vessel inside the timberheads.

Example Sentences:

  • (1) Since he was created, he has appeared at several robotic fairs across China, but spends most of his time in deep meditation on an office shelf in Longquan.
  • (2) Matches on the NDCD tape could be found for 80% of the items in the shelf stock sample and 69.5% of the items in the tape supplied by the wholesaler.
  • (3) The development of the hydrogelic occlusive device called the P-block is described including developmental steps of the design of the device as well as the experience gained concerning the hydrogel of the device, shelf life, animal and human toxicology, insertion techniques, analgesia, check-up for retention in situ, actual efficacy of the method, mode of action of the device, complication rates, patient acceptance, continuation rates, possible reversibility and future perspectives of the method.
  • (4) Formulation often has a dramatic effect on degradation of proteins during the freeze-drying process as well as impacting on the "shelf-life" stability of the freeze-dried product.
  • (5) The determination of potency or shelf life, impurity limit testing, and study of reaction mechanisms are considered as different aspects of drug stability.
  • (6) Patterns of HA distribution in anterior, posterior and presumptive soft palate were examined in the secondary palatal shelves of CD-1 mouse fetuses that were 30, 24 and 18 h prior to, and at the time of, shelf reorientation.
  • (7) Another pint of Guinness That evening we set out again, this time to O'Donoghue's in Fanore, a blue-painted stone pub set on the thin shelf of land between the sea and the great limestone mountain that is called the Burren.
  • (8) The absence of membrane proteins and chemical stability of SFH and phospholipids promises long shelf-life.
  • (9) So, they start to create these almost fictitious things they can sell, whether it’s a prime shelf [at the height a shopper is most likely to see] or a gondola end [the promotional buckets often found at the top of the aisle].
  • (10) Midline epithelial cells cease DNA synthesis 24-36 h before shelf elevation and contact, become active in the synthesis of cell surface glycoproteins, and subsequently manifest morphological signs of necrosis.
  • (11) It has been suggested that head posture changes, tongue movements and jaw opening reflexes are required to enable palatal shelf elevation to occur in normal cranio-facial development.
  • (12) Allografts are often freeze dried to increase shelf storage time and sterilized with ethylene oxide.
  • (13) The shelf procedure provides a buttress of bone for later reconstructive surgery such as cup or total hip arthroplasty.
  • (14) When tested in another task (recovering food pellets from a horizontal shelf accessible through a narrow slit below the ceiling of the test box) same rats displayed identical (45%) and opposite (15%) preference or were ambidextrous (40%).
  • (15) In one case this was a dense shelf-like mass of echoes extending downward from the basal portion of the interventricular septum toward the mid-portion of the anterior mitral leaflet with corresponding systolic anterior motion of the mitral leaflet.
  • (16) Eight brands of composite resin, including paste-paste, powder-liquid and light-activated systems, as well as three glass ionomer cements were evaluated over a period of twelve months with respect to shelf-life and suitability for use in a tropical environment.
  • (17) They know that you're just going to buy everything from Amazon now, so they've all cut their losses and stacked every shelf with a trillion different 50 Shades Of Grey knock-offs called things like Disciplined With Buttplugs and 20 Carat Strumpet.
  • (18) The shelf life of the solid phase presensitized with monoclonal antibodies was 4 mth at -15 degrees C. DEN prototype viruses were still identified after storage at -15 degrees C for 1 yr or at room temperature for 1 mth.
  • (19) There are now standard off-the-shelf products that provide the kind of digital production tools that simply didn't exist five years ago.
  • (20) It is concluded that the shelf life of iced whole cod can be predicted using this model but not that of vacuum-packed fillets because of the greater variability of bacterial activity in packaged fish.

Shoal


Definition:

  • (n.) A great multitude assembled; a crowd; a throng; -- said especially of fish; as, a shoal of bass.
  • (v. i.) To assemble in a multitude; to throng; as, the fishes shoaled about the place.
  • (a.) Having little depth; shallow; as, shoal water.
  • (n.) A place where the water of a sea, lake, river, pond, etc., is shallow; a shallow.
  • (n.) A sandbank or bar which makes the water shoal.
  • (v. i.) To become shallow; as, the color of the water shows where it shoals.
  • (v. t.) To cause to become more shallow; to come to a more shallow part of; as, a ship shoals her water by advancing into that which is less deep.

Example Sentences:

  • (1) China and the Philippines had a tense maritime standoff at a shoal west of the main Philippine island of Luzon early this year.
  • (2) Among their choicest memories from last year, they tell me, are watching shoals of goldfish swim down their street, and coming home to find Derrick's model boat collection bobbing on the deluge.
  • (3) Philippine fishing vessels are back in the waters of Scarborough Shoal.
  • (4) Christian Rynning-Tønnesen, chief executive of Statkraft, the Norwegian power utility that has invested in Sheringham Shoal, said the UK's wind resources and regulatory regime made it the most attractive location in Europe for offshore wind investors.
  • (5) As additional criteria the shoaling behaviour of the fishes is quantified and evaluated by the system.
  • (6) The MCS said the best choice now is Cornish mackerel caught by "hand-line", with British, European or Norwegian mackerel that is "pelagic-caught" – caught in shoals – as the best alternative.
  • (7) The people of Great Britain, with the co-ordination of a shoal of mullet, didn’t just put the Lewisham and Greenwich choir in with a bullet, they made sure to buy enough of Bieber’s own work that his generous spirit would be rewarded with chart spots two, three and five.
  • (8) But now, of course, everyone's doing it – and if you can really contemplate spending an entire evening out of your painfully short life watching Ocean Colour Scene plod through Moseley Shoals then, honestly, get some help.
  • (9) Last week, a shoal of headlines further indicated that for our young (and the United Nations defines "young" as under 25), the report card continues to read: "Could do very much better."
  • (10) Manila regards Second Thomas Shoal, which lies 105 nautical miles (195 km) southwest of the Philippine region of Palawan, as being within its 200-nautical mile exclusive economic zone.
  • (11) Isolated individuals detached from the shoals become immobile from the moment in which they separate from the bacterial group they belonged to ("immunobilization reaction").
  • (12) Davey attended the opening of the UK's latest offshore windfarm off the north Norfolk coast on Thursday, a £1.2bn projected called Sheringham Shoal .
  • (13) It was like a horror movie … he kept trying to talk,” Shoals said.
  • (14) He was widely regarded as having the right experience, deft touch and nous to navigate the shoals and shifting currents of continental politics that would buffet the British ship of state as it left its European berth.
  • (15) The highly automated system allows to quantify and assess changes in the behaviour patterns of a small shoal of test fishes.
  • (16) He saw a shoal of porpoises and a stormy petrel skimming over the waves and read "Humboldt's glowing accounts of tropical scenery.
  • (17) His team has seen humpbacks “lunge feeding”, where the whales rise up under giant shoals and take hundreds of thousands of pounds of fish into their mouths in one gulp, filtering out the seawater through their baleen grills and swallowing the fish.
  • (18) The film was shot near coral reefs that fringe the tiny Pescador Island where huge shoals of sardines draw sharks to the area.
  • (19) The Philippine navy is quietly reinforcing the hull and deck of a rusting ship it ran aground on a disputed South China Sea reef in 1999 to stop it breaking apart, determined to hold the shoal as Beijing creates a string of man-made islands nearby.
  • (20) If there are more bilateral negotiations between China and other claimants then a Trump administration, heavily occupied with North Korea and Isis, won’t be elevating disputes over shoals and reefs in south-east Asia.