Riffles are typically found in the middle course of rivers, and are theoretically found at intervals around 6 times the width of the river, although local conditions cause this to vary. Nevertheless, the coarse-grained bedding of riffles suggests erosion of smaller particles, according to the Hjulstrom curve. Also one of the cleats, grooves or steps in such trough. ( mining) 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. Although simple fluid flow suggests slower flow in deeper water and faster flow over riffles, the true flow pattern pool and riffle waters is often helicoidal flow or turbulent, which permits more rapid erosion of the wetted perimeter. riffle ( plural riffles ) A swift, shallow part of a stream causing broken water. Riffles are instrumental in the formation of meanders, with deeper pools forming alternately. Riffles are usually caused by an increase in a stream bed's slope or an obstruction in the water. so that increases in aquatic system ' needs to be defined. As a result of the increased velocity and heightened turbulence, small ripples are frequently found. Find 56 ways to say RIFFLE, along with antonyms, related words, and example sentences at . that the part of the definition referring above the stream bed ). To prepare samples of material using a riffler.Д®tymology: Possible alteration of ruffle, from ruffelen, akin toДЇreebase (0.00 / 0 votes) Rate this definition:ДЄ Riffle is a short, relatively shallow and coarse-bedded length of stream over which the stream flows at higher velocity and higher turbulence than it normally does in comparison to a pool. To idly manipulate objects with the fingers. To shuffle playing cards by separating the deck in two and sliding the thumbs along the edges of the cards to mix the two parts. Definition: a small wave on the surface of a liquid. Main entry: riffle, ripple, rippling, wavelet. To skim or flick through the pages of a book. Definition: shuffling by splitting the pack and interweaving the two halves at their corners. To flow over a fast moving shallow part of a stream. The act of shuffling cards the sound made while shuffling cards. riffle ( n.

riffle ( n.) a small wave on the surface of a liquid Synonyms: ripple / rippling / wavelet.

Also one of the cleats, grooves or steps in such trough.ДЄ quick skim through the pages of a book. riffle ( v.) look through a book or other written material Synonyms: flick / flip / thumb / leaf / riff. Wiktionary (0.00 / 0 votes) Rate this definition:ДЄ fast-flowing, shallow part of a stream causing broken water.ДЄ trough or sluice having cleats, grooves, or steps across the bottom for holding quicksilver and catching particles of gold when auriferous earth is washed.

Riffle definition