(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.
Platypus
Definition:
(n.) The duck mole. See under Duck.
Example Sentences:
(1) A 57-year-old man was envenomated via two spur wounds to the right hand from each hind leg of a male platypus.
(2) Recommendations are made to improve the survival of platypuses in captivity.
(3) It is as peaceful as a platypus playing with a potato pudding.” In 2007 Levy published Love and Sex with Robots , a book that one USA Today critic found “troublingly arousing”.
(4) Of 213 platypuses that died in captivity, 81.7% had died within 1 year; most within the first month.
(5) These findings suggest that the spleen is the primary hemopoietic organ in the platypus.
(6) Within the distinctive platypus beak, the animal had rows of sharp teeth, which scientists believe they used to slice and chew crayfish, frogs and small turtles.
(7) #Bellfie by Matt Collins, managing director at Platypus Digital The big craze for 2015 will be the #bellfie.
(8) The intestinal mucosa of the platypus takes the form of numerous transverse surface folds.
(9) These include animal embryos – platypus and wallaby – and specific body parts of other mammals, such as the arm of a koala.
(10) The most conspicuous features are: 1) although no protein casts are found in the tubular lumina, epithelial cells of the proximal convoluted tubule (PCT) have numerous electron-dense vesicles as in human nephrotic kidneys; and 2) the platypus Henle's loop consists of the thick epithelial cells similar to the mammalian type nephron of birds.
(11) Afferent responses were recorded from filaments of the trigeminal nerve in each of two platypuses (Ornithorhynchus anatinus) anaesthetized with alpha-chloralose.
(12) Two neurohypophysial peptides have been purified from acetone desiccated posterior pituitary glands of the platypus (Ornithorhynchus anatinus) by molecular sieving and high-pressure liquid chromatography.
(13) The karyotype of the platypus (2n = 52) has several features in common with those of the echidna species; six pairs of large autosomes, many pairs of small (but not micro-) chromosomes, and a series of small unpaired chromosomes which form a multivalent at meiosis.
(14) Neurohypophysial hormones of platypus seem similar to those of echidna, the other living prototherian, and to those of most placental mammals.
(15) The ratio of the contents of the two major mammalian ganglioside fractions GD1a and GT1b is generally in the range of 1.0 and even higher; in the heterothermic platypus from the monotremes and in hibernators among the placental mammals, however, it is much lower (about 0.8).
(16) As compared to those of other mammals such as humans and rats, our observations suggest that the platypus kidney is less developed, in terms of evolution.
(17) The platypus X chromosome, identified by the presence of two copies in females and one in males, has been found to possess a suite of genes that have been mapped to the X chromosomes of all eutherian and metatherian mammals.
(18) To describe in detail for the first time, the clinical course and medical management of a significant human envenomation by the Australian platypus (Ornithorhynchus anatinus).
(19) Methods used included SEM of methacrylate casts of marsupial enamel tubules, worn and cut surfaces of whole marsupial teeth, developing and erupted platypus teeth, and a well-developed molar of the newly discovered Miocene ornithorhynchid Obdurodon sp., and tandem scanning reflected light microscopy of intact marsupial teeth.
(20) The generation of blood cells has been observed in the spleen and in the bone marrow of the platypus.