(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.
Sparrow
Definition:
(n.) One of many species of small singing birds of the family Fringilligae, having conical bills, and feeding chiefly on seeds. Many sparrows are called also finches, and buntings. The common sparrow, or house sparrow, of Europe (Passer domesticus) is noted for its familiarity, its voracity, its attachment to its young, and its fecundity. See House sparrow, under House.
(n.) Any one of several small singing birds somewhat resembling the true sparrows in form or habits, as the European hedge sparrow. See under Hedge.
Example Sentences:
(1) Groups of photosensitive female house sparrows have been kept under night-interruption and intermittent light cycles for a period of 6 weeks.
(2) A clinical study focused on the evaluation of adaptive functioning with use of the Vineland Adaptive Behavior Scales (Sparrow, Balla, & Cicchetti, 1984, 1985) is presented as an example of a way in which occupational therapy can provide assessment data valuable to the interdisciplinary clinical team.
(3) Laboratory and domestic animals: mice, hamsters, rabbits, sparrows, chickens and lambs were inoculated with Orungo virus to determine their susceptibility as evidenced by clinical response, viraemia and antibody development.
(4) Corticotropin-releasing factor (CRF) was localized in the brains of two passerine species, the European starling (Sturnus vulgaris) and the song sparrow (Melospiza melodia), by means of immunohistochemistry.
(5) Body weight was not correlated with foramen magnum area in 25 specimens of savannah sparrow, Ammodramus sandwichensis.
(6) Riga, accompanied by Fraeye, was at Charlton's Sparrows Lane training ground on Tuesday and watched on as Powell's existing coaching staff oversaw the first-team squad.
(7) The continuous administration of low levels of melatonin via intraperitoneally placed Silastic capsules either (i) shortened the free-running period of activity or (ii) induced continuous activity in house sparrows (Passer domesticus) maintained in constant darkness.
(8) Testosterone sensitivity of the seminal sacs of castrated tree sparrows from each of three reproductive states was evaluated by measuring the change in seminal-sac mass per unit change in the logarithm of replacement or plasma testosterone.
(9) There was no effect of B on basal metabolic rate of either species, but nocturnal metabolic rate varied significantly less over the 3-h period of measurement in B-treated sparrows and siskins than in control birds.
(10) Adult song sparrows (Melospiza melodia) were tested for response to songs of conspecific males that had been reared in acoustic isolation or deafened early in life.
(11) It will be streamed live here: Monetary Policy Committee August 2013 Inflation Report My colleague Andrew Sparrow will be live-blogging the whole session here: Mark Carney gives evidence to the Commons Treasury committee: Politics live blog 9.52am BST This graphic shows how most of the Royal Mail's revenues come from its parcels and letters divisions, although its European parcels business, GLS, makes a decent contribution (with revenue of £1.5m, out of a total pie of over £9bn.
(12) In sparrows, pigeons and ducks, liver and kidney activities tended to be similar and increased with body size.
(13) The movie excels in its many trading-floor sequences, great chaotic indoor crowd-scenes worthy of Raoul Walsh, in which we can glimpse the primal, quasi-animalistic governing urges that propel an unregulated – that's to say, totally lawless – free-market economy, as the hawks are granted licence to feast upon the sparrows.
(14) As Andrew Sparrow points out elsewhere, even if McDonnell gets a go and, as now seems certain, Andy Burnham takes the number of ex-ministerial candidates to four, that will hardly solve one big problem: a field built around two siblings, and largely made up of Oxbridge-educated, fortysomething white men, whose adult lives have mostly been played out in SW1.
(15) In addition 11% of mice (Mus musculus), 5% of deer mice (Peromyscus), 3% of rats (Rattus norvegicus) and less than 2% of sparrows (Passer domestcus) were seropositive.
(16) avenue31 I thought it was Captain Sparrow who invented the exercise regime, in Pilates of the Caribbean.
(17) The sparrows resynchronized in 5 days when LD8:16 (8 hr of light alternating with 16 hr of dark) was advanced by 8 hr; however, the sparrows were 1.7 hr from resynchronization after 5 days when the schedule was delayed 8 hr.
(18) The duration of detectable neutralizing antibody in these birds was found to be ephemeral in some species (e.g., black-capped chickadees) and extremely longlasting in others (e.g., gray catbirds, swamp sparrows).
(19) Under physiological conditions (41 C, pH 7.5, PCO2 approximately 35 Torr) the oxygen half saturation pressure P50 are 50 Torr for the chickens, 38 Torr for the pigeon, 43 Torr for the Japanese quail and 44 Torr for the sparrow.
(20) It was shown that these mosquitoes fed principally on House Finches and House Sparrows, the most common passeriform birds found in the collection areas.