What's the difference between rolling and trochoid?
Rolling
Definition:
(p. pr. & vb. n.) of Roll
(a.) Rotating on an axis, or moving along a surface by rotation; turning over and over as if on an axis or a pivot; as, a rolling wheel or ball.
(a.) Moving on wheels or rollers, or as if on wheels or rollers; as, a rolling chair.
(a.) Having gradual, rounded undulations of surface; as, a rolling country; rolling land.
Example Sentences:
(1) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
(2) More evil than Clocky , the alarm clock that rolls away when you reach out to silence it, or the Puzzle Alarm , which makes you complete a simple puzzle before it'll go quiet, the Money Shredding Alarm Clock methodically destroys your cash unless you rouse yourself.
(3) Speaking to pro-market thinktank Reform, Milburn called for “more competition” and said the shadow health team were making a “fundamental political misjudgment” by attempting to roll back policies he had overseen.
(4) Light microscopic histochemical procedures and morphological assessments were performed on sections of "Swiss rolls" of small and large intestine.
(5) Neither assertion was strictly accurate, but Obama was on a rhetorical roll.
(6) Under pressure from many backbenchers, he has tightened planning controls on windfarms and pledged to "roll back" green subsidies on bills, leading to fears of dwindling support for the renewables industry.
(7) Rolling-circle replicating structures which represent late stage lambda DNA replication can be detected among intracellular phage lambda DNA molecules under recombination deficient conditions as well as in wild-type infections.
(8) If this is the only issue, flight would be fine, but need to make sure that it isn’t symptomatic of a more significant upstream root cause.” Elon Musk (@elonmusk) Btw, 99% likely to be fine (closed loop TVC wd overcome error), but that 1% chance isn't worth rolling the dice.
(9) If such a system were rolled out nationally, central government could escape political pressure to ringfence NHS funding.
(10) It was also chided for failing to roll out a 2011 pilot scheme to put doors on fridges in its stores.
(11) I’ve warned Dave before to mind his ps and qs when the cameras are rolling, but the problem is you can never tell when the microphones are switched on.
(12) A commercial medical writing company is employed by a drug company to produce papers that can be rolled out in academic journals to build a brand message.
(13) Roll-up man 3.50pm GMT Thank you to Tom Skinner for this educational and informative video .
(14) flexion, stretch, rolling, startle, jumping (stepping), and writhing.
(15) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
(16) In earlier studies with the SV40-transformed hamster cell line Elona two different types of DNA amplification could be identified: (i) Bidirectional overreplication of chromosomally integrated SV40 DNA expanding into the flanking cellular sequences ("onion skin" type) and (ii) highly efficient synthesis of extremely large head-to-tail concatemers containing exclusively SV40 DNA ("rolling circle" type).
(17) Trousers were cropped or rolled at the ankle, a styling trick that is emerging as a trend across the shows.
(18) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
(19) In 1995, Bill Gates, founder and CEO at Microsoft, reportedly paid The Rolling Stones $3m (£1.9m) for the rights to use Start Me Up to launch Windows 95.
(20) During flexion the lateral femoral condyle displays near extension pure rolling, near flexion pure gliding, on the medial side this ratio is vice versa.
Trochoid
Definition:
(n.) The curve described by any point in a wheel rolling on a line; a cycloid; a roulette; in general, the curve described by any point fixedly connected with a moving curve while the moving curve rolls without slipping on a second fixed curve, the curves all being in one plane. Cycloids, epicycloids, hypocycloids, cardioids, etc., are all trochoids.
(a.) Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column.
(a.) Top-shaped; having a flat base and conical spire; -- said of certain shells.
(a.) Of or pertaining to the genus Trochus or family Trochidae.
Example Sentences:
(1) In the horizontal direction, the c.m.s of the thrower and of the hammer followed roughly trochoid patterns as a result of the combination of rotation with forward displacement across the throwing circle.
(2) The pump consists of a rigid housing with a trochoidal internal surface, an inlet and outlet, and two lateral walls.
(3) The unusual features of C. glyptus spermatozoa, though easily derivable from "typical" trochoid sperm architecture, may prove useful in delineating the genus Calliotropis or tracing its relationship to other genera within the trochid subfamily Margaritinae.
(4) In the spherical system of coordinates the lines of solution level at theta = const are circumferences, while at phi-const-trochoids (Pascal coil, for example).
(5) Trochoids rotation areas show stomacyte and discocyte forms.
(6) A two-corner piston rotating on an eccentric shaft, describes a trochoidal path, thus creating a gap seal, the gap measuring a constant 10-35 microns.
(7) A trochoidal electron monochromator has been interfaced to a mass spectrometer to perform electron capture negative ion mass spectrometric (ECNIMS) analyses of environmentally relevant chemicals.
(8) In the Stylommatophora of the Western European terrestrial fauna the distribution of the spire index is markedly bimodal, the modes, with values of about 3 and about 0.5, corresponding respectively to shells with a high to very high spire (and small spire angle) and those varying from more or less globular or trochoid to very flattened and disk-like (spire angle from 60 degrees to 180 degrees).
(9) A two-corner piston rotates on an eccentric shaft in a trochoidal path, thus creating a gap seal.