riffle

listen to the pronunciation of riffle
English - English
A fast-flowing, shallow part of a stream
To prepare samples of material using a riffler
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 trough
To ruffle with a rippling action
To skim or flick through the pages of a book
A quick skim through the pages of a book
– Mail prepared so that 10 or more contiguous mailpieces are addressed to the same ZIP Code destination Also to check that mail is in ZIP Code sequence by thumbing quickly through the top of a tray of mail or along the side of a bundle of mail
n - A stretch of slightly choppy water caused by shallow rocks or deadfall in the stream
A bar of material with a rippled surface deposited on the bed of a river or stream The smooth flow of water is disrupted when it passes over a riffle causing it to mix and allowing it to take up more oxygen Riffles can harbour rich ASSEMBLAGES of freshwater INVERTEBRATES and MOSSES
A sample splitter
a small wave on the surface of a liquid
A shallow part of the stream where water flows swiftly over completely or partially submerged obstructions to produce surface agitation
A channel feature characterized by swiftly flowing, turbulent water and exposed substrate, usually cobble and boulder dominated
a form of shuffling in which the cards from two halves of the pack are interleaved
Section of stream containing gravel or rubble, in which surface water is at least slightly turbulent and current, is swift enough that the surface of the gravel and rubble is kept fairly free from sand and silt
shuffling by splitting the pack and interweaving the two halves at their corners
A series of cleats in the bottom of a rocker or sluice designed to catch free gold passing through, frequently with the aid of quicksilver
A ripple in a stream or current of water; also, a place where the water ripples, as on a shallow rapid
A shallow, gravelly section in a stream where water is breaking over rocks or other partially submerged organic debris with swift current Used for spawning by salmons and other fishes
{i} act of shuffling cards; part of a stream with a strong swift current, rapid
Shallow rapids with surface agitation, but no waves
{f} shuffle cards; leaf through, thumb through; turn pages quickly
A rapid or stream running over a rocky shoal
shuffling by splitting the pack and interweaving the two halves at their corners shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
A rapid and shallow area in a stream where oxygenation often occurs
A reach of stream in which the water flow is rapid and usually more shallow than the reaches above and below Natural streams often consist of a succession of pools and riffles
stir up (water) so as to form ripples
look through a book or other written material; "He thumbed through the report"; "She leafed through the volume"
n A small disturbance in the water flow of a calm stream caused by water hitting the rocks in the stream bed
shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
A shallow, gravelly area of streambed with swift current Used for spawning by salmonids and other fishes
Also called ripple
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
Applying pressure and drawing the finger or thumb across the edge of a deck, making the distinctive riffle sound
A rapid in a stream
A shallow rapid with very small waves, often over a sand or gravelbottom Does not rate a grade on either the Western or the International scale of difficulty
If you riffle through the pages of a book or riffle them, you turn them over quickly, without reading everything that is on them. I riffled through the pages until I reached the index. = flick. to move and quickly look at pieces of paper or the pages of a book, magazine etc flip through (Perhaps from ripple + ruffle)
twitch or flutter; "the paper flicked"
a shallow part of a stream where the water flows brokenly, or a patch of waves or ripples on water
riffling
sampling by use of a riffler
riffling
Present participle of riffle
riffles
a rocky shoal or sandbar lying just below the surface of a waterway
riffles
Fast sections of a stream where shallow water races over stones and gravel They usually support a wider variety of bottom organisms than other stream sections
riffles
fast, shallow waters of a stream
riffles
shallow areas in a stream where water flows swiftly over gravel and rock
riffles
Shallow disturbed part of a stream
riffles
steeper portions of stream channels, typically where water flows quickly and shallow
riffles
Riffles are relatively fast flowing water that has a substantial amount of turbulence For the fisheries survey three types of riffles were recorded including low gradient riffles, high gradient riffles and cascades
riffles
a characteristic of moving water that indicates where brown trout are likely to be found Is comprised of fast, shallow water running over gravel or small racks that is often found where the water widens
riffles
Shallow, choppy water that attracts fish
riffles
A riffle is a raised area of the active channel that results in an increase in flow velocity Riffle areas are typically preceded by pools and represent the fastest current in a given river or stream
riffle
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