What's the difference between shelf and shell?

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.

Shell


Definition:

  • (n.) A hard outside covering, as of a fruit or an animal.
  • (n.) The covering, or outside part, of a nut; as, a hazelnut shell.
  • (n.) A pod.
  • (n.) The hard covering of an egg.
  • (n.) The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.
  • (n.) Hence, by extension, any mollusks having such a covering.
  • (n.) A hollow projectile, of various shapes, adapted for a mortar or a cannon, and containing an explosive substance, ignited with a fuse or by percussion, by means of which the projectile is burst and its fragments scattered. See Bomb.
  • (n.) The case which holds the powder, or charge of powder and shot, used with breechloading small arms.
  • (n.) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in; as, the shell of a house.
  • (n.) A coarse kind of coffin; also, a thin interior coffin inclosed in a more substantial one.
  • (n.) An instrument of music, as a lyre, -- the first lyre having been made, it is said, by drawing strings over a tortoise shell.
  • (n.) An engraved copper roller used in print works.
  • (n.) The husks of cacao seeds, a decoction of which is often used as a substitute for chocolate, cocoa, etc.
  • (n.) The outer frame or case of a block within which the sheaves revolve.
  • (n.) A light boat the frame of which is covered with thin wood or with paper; as, a racing shell.
  • (v. t.) To strip or break off the shell of; to take out of the shell, pod, etc.; as, to shell nuts or pease; to shell oysters.
  • (v. t.) To separate the kernels of (an ear of Indian corn, wheat, oats, etc.) from the cob, ear, or husk.
  • (v. t.) To throw shells or bombs upon or into; to bombard; as, to shell a town.
  • (v. i.) To fall off, as a shell, crust, etc.
  • (v. i.) To cast the shell, or exterior covering; to fall out of the pod or husk; as, nuts shell in falling.
  • (v. i.) To be disengaged from the ear or husk; as, wheat or rye shells in reaping.

Example Sentences:

  • (1) However, empty shells can also form independently of intact virions.
  • (2) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
  • (3) Lead levels in contents and shells of eggs laid by hens dosed with all-lead shot were about twice those in eggs laid by hens dosed with lead-iron shot.
  • (4) We recommend the shell vial technique for isolation of C. burnetii.
  • (5) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
  • (6) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
  • (7) But we sent out reconnoitres in the morning; we send out a team in advance and they get halfway down the road, maybe a quarter of the way down the road, sometimes three-quarters of the way down the road – we tried this three days in a row – and then the shelling starts and while I can’t point the finger at who starts the shelling, we get the absolute assurances from the Ukraine government that it’s not them.” Flags on all Australian government buildings will be flown at half-mast on Thursday, and an interdenominational memorial service will be held at St Patrick’s cathedral in Melbourne from 10.30am.
  • (8) Unless you are part of some Unite-esque scheme to join up as part of a grand revolutionary plan, why would you bother shelling out for a membership card?
  • (9) Serum levels of lactate dehydrogenase and alkaline phosphatase were considerably elevated in shell-less embryos.
  • (10) The cultivation of embryos in shell-less culture did not affect the normal macroscopic or histological appearance of the membrane, or the rate of proliferation of its constituent cells, as assessed by tritiated thymidine incorporation.
  • (11) Another friend’s sisters told me that the government building where all the students’ records are stored is in an area where there is frequent shelling and air strikes.
  • (12) Shell casings littered the main road, tear gas hung in the air and security forces beat local residents.
  • (13) Carmon Creek is wholly owned by Shell, which said it expected the decision to cost $2bn in its third-quarter results due to impairment, contract provision, redundancy and restructuring charges.
  • (14) A technique for efficient cytochalasin-induced enucleation was used to prepare "karyoplasts"--nuclei surrounded by a thin shell of cytoplasm and an outer cell membrane.
  • (15) The difficulty has been increased with the recent Supreme Court decision which it ruled the Alien Tort Claims Act does not apply outside of the country and dismissed a case against Royal Dutch Shell.
  • (16) We developed a shell vial cell culture assay (SVA) using a cross-reactive monoclonal antibody to the T antigen of simian virus 40 to detect BKV rapidly by indirect immunofluorescence.
  • (17) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
  • (18) This coincided with increases in shell thickness and shell porosity as power functions of uterine time.
  • (19) The apoferritin shell is known to assemble spontaneously from its subunits obtained at acid pH upon neutralization.
  • (20) Whereas psammomatous bodies are located within tubules in compressed residual testicular tissue arranged in a shell-like zone around the tumor mass, dystrophic calcifications and bone and cartilage tissues are identified inside the tumor.