(n.) A trough or sluice having cleats, grooves, or steps across the bottom for holding quicksilver and catching particles of gold when auriferous earth is washed; also, one of the cleats, grooves, or steps in such a trough. Also called ripple.
Example Sentences:
(1) I'd wake up to a compact mirror held to my mouth, and someone riffling through the knicker drawer for the will.
(2) Even as a child, Lauren, the third of four children, had a fascination with clothes and their ability to transform people: he emulated the preppy look of New York’s rich kids and would later riffle through thrift shops for authentically distressed denim, cowboy boots and leather jackets.
(3) "I hope there is no return to the spirit of loadsamoney heartlessness – figuratively riffling banknotes under the noses of the homeless – and I hope that this time the Gordon Gekkos of London are conspicuous not just for their greed – valid motivator though greed may be for economic progress – as for what they give and do for the rest of the population, many of whom have experienced real falls in their incomes over the last five years."
(4) Each stream was divided into pool and riffle sections that were colonized by communities of periphyton and invertebrates.
(5) The 488-m long stream was composed of mud-bottomed pools alternating with gravel riffles.
(6) Its use is demonstrated with a comparison of biomass and neuromass distributions for a stream riffle ecosystem in the Huron River, southeastern Michigan.
(7) The vaccine failed to protect against a highly virulent form of E coli 06 (Riffle), possibly because the amount of antibody to its lipopolysaccharide was inadequate.
(8) I searched for some explanation for this overweening neediness, riffling the pages with rising desperation.
Sluice
Definition:
(n.) An artifical passage for water, fitted with a valve or gate, as in a mill stream, for stopping or regulating the flow; also, a water gate or flood gate.
(n.) Hence, an opening or channel through which anything flows; a source of supply.
(n.) The stream flowing through a flood gate.
(n.) A long box or trough through which water flows, -- used for washing auriferous earth.
(v. t.) To emit by, or as by, flood gates.
(v. t.) To wet copiously, as by opening a sluice; as, to sluice meadows.
(v. t.) To wash with, or in, a stream of water running through a sluice; as, to sluice eart or gold dust in mining.
Example Sentences:
(1) 20 July 2006: The Tamil Tigers close the sluice gates of an eastern reservoir, cutting water to more than 60,000 people, prompting the government to launch its first major offensive on Tiger territory since the 2002 ceasefire.
(2) The pulmonary vascular resistance increase evoked by nerve stimulation (a) occurred in the absence of tidal air changes; (b) did not consistently differ during predominantly ;sluice' and ;non-sluice' conditions of pulmonary circulation perfusion; (c) was approximately one and a half times greater during constant pressure than during constant volume inflow perfusion of the pulmonary circulation; and (d) was greater during reverse than during forward perfusion.3.
(3) Once neither painfully elitist nor patronisingly populist, Edinburgh in August now threatens to become an oligarchy, a Chipping Norton of the arts, its sluices greased by Foster's lager, rather than by country suppers and police horses.
(4) These data do not support the presence of a "sluice" or "waterfall" effect in the umbilical-placental circulation of the sheep fetus in utero.
(5) So while Sir Gideon was – we are told – browsing and sluicing at a Downing Street dinner, poor Ms Smith was put up against Paxman for some political cage wrestling.
(6) The pulmonary arteries accounted for approximately 50% of vascular resistance upstream from the sluice point when alveolar pressure exceeded venous pressure.
(7) Photos of the boiler room, operating theatre and sluice room spoke of my great-grandfather's practicality and attention to detail; the beautiful Indian flowered bedspreads and carved wooden furniture spoke of my great-grandmother's flamboyant taste.
(8) In the original theory of sheet flow the effect of the tension in the interalveolar septa on the flow through the sluicing gate was ignored.
(9) The Ouse Washes reserve, part of the flood relief system for the Great Ouse river, was hit by flooding after the Environment Agency was forced to open sluices on to the washes to prevent floods elsewhere on the 150-mile river catchment.
(10) Another option being considered was a sluice near Bridgwater to keep the sea tides out of the river network on the Levels.
(11) Meanwhile, back at the car lot, both teams were getting it in the neck for their sloppy sluicing.
(12) The gleaming taps in the sluice rooms, wash rooms and scrubbing-up room are dry and always have been.
(13) It is inferred that these muscle activities and sluice channels facilitate the erection of the penis.
(14) The miners were unable to source the power needed to sluice and dredge or crush the ore.
(15) Richard Davenport-Hines in his recently published An English Affair: Sex, Class and Power in the Age of Profumo writes that 1963 was the year when "the soapy scum flowed after the sluices of self-righteous scurrility were opened".
(16) Out of the stadium's sluices flowed hordes of the new classes created by the industrial revolution: workers in overalls, bosses in top hats, arriving to dismantle the rural scene piece by piece, the meadows and the tilled fields making way for an array of vast chimneys emerging from the once fertile earth to reach the height of the stadium rim, their infernal belching smoke replacing the homely cottage hearth and ushering in a world of steam engines and spinning jennys.
(17) But they show as well that a satisfying hygienic standard cannot be arrived without sluice-systems and appropriate air conditioning.
(18) First on its list was dredging the rivers Parrett and Tone, but it also included a tidal sluice barrier on the Parrett.
(19) We assessed the strength of attachment of cultured human vascular endothelial cells to tissue culture plastic by controlled sluicing of cells, grown on multiwell plates, with isotonic saline using a specially designed nozzle attached to a reciprocating pump.
(20) The British had seen no economic value in them and proposed on the 1950s a series of sluices, embankments and canals.