What's the difference between duck and shark?

Duck


Definition:

  • (v. i.) To drop the head or person suddenly; to bow.
  • (n.) A pet; a darling.
  • (n.) A linen (or sometimes cotton) fabric, finer and lighter than canvas, -- used for the lighter sails of vessels, the sacking of beds, and sometimes for men's clothing.
  • (n.) The light clothes worn by sailors in hot climates.
  • (v. t.) To thrust or plunge under water or other liquid and suddenly withdraw.
  • (v. t.) To plunge the head of under water, immediately withdrawing it; as, duck the boy.
  • (v. t.) To bow; to bob down; to move quickly with a downward motion.
  • (v. i.) To go under the surface of water and immediately reappear; to dive; to plunge the head in water or other liquid; to dip.
  • (v. t.) Any bird of the subfamily Anatinae, family Anatidae.
  • (v. t.) A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.

Example Sentences:

  • (1) The move was confirmed by a Lib Dem aide, who said Tory claims to be green were "already a lame duck and are now dead in the water".
  • (2) The temperature of the anterior and middle hypothalamus of conscious Pekin ducks was altered with chronically implanted thermodes.
  • (3) Previous studies in the rat, mouse and duck had suggested that agents present in cigarette smoke might induce a cytochrome P450-mediated detoxication pathway, leading to protection against aflatoxin-induced primary liver cancer.
  • (4) Prolactin plasma concentrations decreased rapidly at the end of incubation in ducks which successfully hatched young as well as in unsuccessful incubators.
  • (5) From ducks A. laidlawii, M. anatis and various unclassified strains were isolated, among these M. anatis and unclassified arginine splitting mycoplasma strains proved to be pathogenic.
  • (6) The early phases of hepadnaviral infection were studied in primary duck hepatocyte cultures.
  • (7) In intact ducks changes in blood flow were recorded as changes in digital subcutaneous tissue temperature.
  • (8) But on Sunday night it was hard to duck the euphoria.
  • (9) In the Commons on Monday , John Whittingdale, the culture secretary who only in February chaired the committee that concluded “No future licence fee negotiations must be conducted in the way of the 2010 settlement”, ducked the invitation to explain how exactly the same thing had just happened again.
  • (10) He was never an intellectual; at Oxford, he did no work, and was proudest of playing squash and cricket for the university, though against Cambridge at Lord's he failed to take a wicket and made a duck.
  • (11) Adult mallard ducks fed 0, 2, 20, or 200 ppm of cadmium chloride in the diet were sacrificed at 30-day intervals and tissues were analyzed for cadmium.
  • (12) Typical herpesviral capsids and virions were seen in negatively-stained preparations of duck embryo fibroblasts.
  • (13) To study the effect of air sac pressures, a controllable pressure difference was produced between the air sac orifices of fixed duck lungs.
  • (14) Images of dead ducks in oil sands tailings pond have been plastered on billboards in Denver, Portland, Seattle and Minneapolis.
  • (15) You cannot now duck the fact that we have an electoral system which is completely out of step with the aspirations and hopes of millions of British people," he said.
  • (16) Three Newcastle disease viruses (NDV) isolated from wild ducks in Japan were evaluated for their biological activities, pathogenicity and immunogenicity against one-day-old chickens.
  • (17) With these synthetic peptides, radioimmunoassay systems for dog, rat, and duck C-peptides were developed.
  • (18) On the basis of the antiviral action of sulfated polyanions in human immunodeficiency virus and other viral infections, we studied the effect of dextran sulfate and heparin on duck hepatitis B virus infection.
  • (19) The (Na+ plus K+)-ATPase activities in salt gland homogenates increased 3- to 4-fold after saline treatment of ducks for 3 weeks.
  • (20) Compared with intact ducks, neither decerebration nor brain stem transection at the rostral mesencephalic (RM) level had any effect on development of diving bradycardia, or heart rate at the end of two-min dives.

Shark


Definition:

  • (v. t. & i.) Any one of numerous species of elasmobranch fishes of the order Plagiostomi, found in all seas.
  • (v. t. & i.) A rapacious, artful person; a sharper.
  • (v. t. & i.) Trickery; fraud; petty rapine; as, to live upon the shark.
  • (v. t.) To pick or gather indiscriminately or covertly.
  • (v. i.) To play the petty thief; to practice fraud or trickery; to swindle.
  • (v. i.) To live by shifts and stratagems.

Example Sentences:

  • (1) In 1986, Bill Heine erected a 25ft sculpture of a shark falling through the roof of his terraced house in Oxford .
  • (2) I had loan sharks turning up at the training ground when I was at Ipswich [2011-13].
  • (3) Although small amounts of AFP are synthesized by sharks in the liver, the greatest site of synthesis is actually the stomach, with smaller amounts synthesized in the intestinal mucosa; no synthesis was observed in the shark yolk sac.
  • (4) The findings can be summarized as follows: (1) The effective concentration of SDS for termination of shark tonic immobility (an immediate and fast response) was close to its critical micellar concentration in sea water (70 microM).
  • (5) Little, if anything, is known about shark litter sizes, making it very difficult to conserve this species.
  • (6) Normal shark plasma contains numerous natural antibodies reactive with a variety of antigens, including the target employed.
  • (7) 5) The SC-binding site is present on high molecular weight immunoglobulin in species as primitive as the nurse shark.
  • (8) Microfinance has clearly deviated from its original goal , it’s given rise to “its own breed of loan sharks,” as Yunus says.
  • (9) Sequence identities of sea turtle GH to other species of GH are 89% with chicken GH, 79% with rat GH, 68% with blue shark GH, 58% with eel GH, 59% with human GH, and 40% with a teleostean GH such as chum salmon.
  • (10) In contrast to dogfish sharks, stringrays with high spinal transections do not locomote.
  • (11) The spiracular organ is a tube (skate) or pouch (shark) with a single pore opening into the spiracle.
  • (12) Statistical tests were carried out on the results of chemical analysis for total mercury concentrations of replicate samples of muscle tissue of school shark Galeorhinus australis (Macleay) and gummy shark Mustelus antarcticus Guenther from six independent analytical laboratories.
  • (13) I would like it to always look as fresh as the day I made it, so part of the contract is: if the glass breaks, we mend it; if the tank gets dirty, we clean it; if the shark rots, we find you a new shark."
  • (14) That would eliminate a shark because they have cartilage, and on that basis it was likely one of the billfish."
  • (15) The perceived immunity of sharks to cancer has led to their slaughter to harvest the allegedly curative cartilage ; not only is this no good for sharks, it's no good for humans either.
  • (16) The shark GH isolated from pituitary glands by U. J. Lewis, R. N. P. Singh, B. K. Seavey, R. Lasker, and G. E. Pickford (1972, Fish.
  • (17) The rest, drowning in credit card debts – and remember the predatory interest rates some cards charge – or surrounded by loan sharks, will have to fend for themselves.
  • (18) There is a huge disconnect between the Wonga management's view of these services and the view from beyond its headquarters, where campaigners against the rapidly growing payday loan industry describe them as " immoral and unjust " and " legal loan sharks ".
  • (19) The N-terminal 19 amino-acid residues of IP-1 of trout CNS- and P0 of frog PNS myelin were sequenced and proved to be homologous on one hand with the P0 analogue of CNS of the shark, a cartilage fish, and on the other hand with P0 protein of PNS of birds and mammals.
  • (20) Labour's competition and consumer affairs spokeswoman, Stella Creasy, has been given special responsibility to lead a campaign against abuses by legal loan sharks, Miliband said.