What's the difference between drift and flock?

Drift


Definition:

  • (n.) A driving; a violent movement.
  • (n.) The act or motion of drifting; the force which impels or drives; an overpowering influence or impulse.
  • (n.) Course or direction along which anything is driven; setting.
  • (n.) The tendency of an act, argument, course of conduct, or the like; object aimed at or intended; intention; hence, also, import or meaning of a sentence or discourse; aim.
  • (n.) That which is driven, forced, or urged along
  • (n.) Anything driven at random.
  • (n.) A mass of matter which has been driven or forced onward together in a body, or thrown together in a heap, etc., esp. by wind or water; as, a drift of snow, of ice, of sand, and the like.
  • (n.) A drove or flock, as of cattle, sheep, birds.
  • (n.) The horizontal thrust or pressure of an arch or vault upon the abutments.
  • (n.) A collection of loose earth and rocks, or boulders, which have been distributed over large portions of the earth's surface, especially in latitudes north of forty degrees, by the agency of ice.
  • (n.) In South Africa, a ford in a river.
  • (n.) A slightly tapered tool of steel for enlarging or shaping a hole in metal, by being forced or driven into or through it; a broach.
  • (n.) A tool used in driving down compactly the composition contained in a rocket, or like firework.
  • (n.) A deviation from the line of fire, peculiar to oblong projectiles.
  • (n.) A passage driven or cut between shaft and shaft; a driftway; a small subterranean gallery; an adit or tunnel.
  • (n.) The distance through which a current flows in a given time.
  • (n.) The angle which the line of a ship's motion makes with the meridian, in drifting.
  • (n.) The distance to which a vessel is carried off from her desired course by the wind, currents, or other causes.
  • (n.) The place in a deep-waisted vessel where the sheer is raised and the rail is cut off, and usually terminated with a scroll, or driftpiece.
  • (n.) The distance between the two blocks of a tackle.
  • (n.) The difference between the size of a bolt and the hole into which it is driven, or between the circumference of a hoop and that of the mast on which it is to be driven.
  • (v. i.) To float or be driven along by, or as by, a current of water or air; as, the ship drifted astern; a raft drifted ashore; the balloon drifts slowly east.
  • (v. i.) To accumulate in heaps by the force of wind; to be driven into heaps; as, snow or sand drifts.
  • (v. i.) to make a drift; to examine a vein or ledge for the purpose of ascertaining the presence of metals or ores; to follow a vein; to prospect.
  • (v. t.) To drive or carry, as currents do a floating body.
  • (v. t.) To drive into heaps; as, a current of wind drifts snow or sand.
  • (v. t.) To enlarge or shape, as a hole, with a drift.
  • (a.) That causes drifting or that is drifted; movable by wind or currents; as, drift currents; drift ice; drift mud.

Example Sentences:

  • (1) Electromagnetic flow probes with an inner diameter of 2, 1.5 and 1 nm were used for studies on zero-line drifting and for calibration procedures in a series of rats and rabbits.
  • (2) It is microcomputer-based, and more easily set up and administered than the drifting-text procedure.
  • (3) The signals were processed digitally using three different algorithms: 1) simple linear regression (LR); 2) linear regression with drift correction achieved by adding to, or subtracting from the plethysmographic signal a term proportional to time (LRC); 3) Fourier analysis (FFT).
  • (4) Abducting saccades, which were slightly hypometric, displayed a marked postsaccadic centripetal drift.
  • (5) With these stringent criteria the rejection rate was 71.0% for group A records, 58.5% for group B and 44.5% for group C. The proportions of records with peak quality (no missing leads or clipping, and grade 1 noise, lead drift or beat-to-beat drift) were 4.5% for group A, 5.5% for group B and 23.0% for group C. Suggested revisions in the grading of technical quality of ECGs are presented.
  • (6) However, there is no certainty that both of Ainu and the people in Ueno derived from the same origin, or that genetic drift due to endogamy in this village took place.
  • (7) Efforts to obtain long term, reliable direct measurements of blood pressures have not been successful because of blood clotting impairing the function of sensors, baseline drift, artifacts on measurements, and health hazard-related catheterization.
  • (8) downward occupational and downward social drift, premature retirement and achievement of the expected social development.
  • (9) Both sides agree that antigenic diversity is advantageous although selectionists see benefits in individual mutations whereas the proponents of random genetic drift see the advantage in the parasite's capacity to tolerate diversity per se.
  • (10) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
  • (11) The most parsimonious explanation of this result is that much genetic drift accompanied the establishment of local populations in cities and that there has been little subsequent gene flow.
  • (12) In contrast, in women, time period effects were a significant improvement on drift for melanoma of the trunk and lower extremity.
  • (13) We examined the effect of ethylene glycol (EG) concentration, in water, on O2 sensitivity, stirring effect, in vitro drift, in vitro response time, behaviour on the skin of newborn infants and in vivo response time.
  • (14) When inflation was allowed to drift from 2% to 4% in the 1970s, inflation expectations became unanchored altogether, and price growth far exceeded 4%.
  • (15) Diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy was used to characterize the product of each step in the preparation of a silica-immobilized N-hydroxysuccinimide (NHS) active ester.
  • (16) She had attitude to burn, though, while the Bristol crew were content to drift, their work rate informed by the slow pace of their native city and by what might be called the spliff consciousness that determined not just the bass-heavy pulse of their music but the worldview of their lyrics, which often tended towards the insular and the paranoid.
  • (17) Let’s make sure it’s not on the usual plane of politics and point-scoring and pettiness that drifts away in the next news cycle.
  • (18) The ABO and Rh systems of the population in 26 residential units in the province of Ferrara were studied to detect the effect of genetic drift on the differentiation of gene frequencies.
  • (19) After the army, Page drifted between jobs and played in white power bands.
  • (20) Evidence of genetic drift of serologic types and of some increase in the prevalence of erythromycin-resistant strains has appeared.

Flock


Definition:

  • (n.) A company or collection of living creatures; -- especially applied to sheep and birds, rarely to persons or (except in the plural) to cattle and other large animals; as, a flock of ravenous fowl.
  • (n.) A Christian church or congregation; considered in their relation to the pastor, or minister in charge.
  • (v. i.) To gather in companies or crowds.
  • (v. t.) To flock to; to crowd.
  • (n.) A lock of wool or hair.
  • (n.) Woolen or cotton refuse (sing. / pl.), old rags, etc., reduced to a degree of fineness by machinery, and used for stuffing unpholstered furniture.
  • (sing. / pl.) Very fine, sifted, woolen refuse, especially that from shearing the nap of cloths, used as a coating for wall paper to give it a velvety or clothlike appearance; also, the dust of vegetable fiber used for a similar purpose.
  • (v. t.) To coat with flock, as wall paper; to roughen the surface of (as glass) so as to give an appearance of being covered with fine flock.

Example Sentences:

  • (1) Lambing rates approach 1.5 lambs per ewe per year, but a death rate of 23 per cent and an offtake of 27 per cent, means that flock numbers are probably slightly declining.
  • (2) The effect of scrotal mange (Chorioptes bovis) on semen quality was assessed in a flock of rams during an outbreak of chorioptic mange and in rams with experimentally induced chorioptic mange.
  • (3) Already the demand for such a liturgy is growing among clergy, who are embarrassed by having to withhold the church's official support from so many of their own flock who are in civil partnerships.
  • (4) Our folks died to get us the right to vote, so go out and use it," he told his flock.
  • (5) Circumstantial evidence indicated that in the field; the incubation period of P multocida in a turkey flock may be between 2 to 7 weeks.
  • (6) Twenty-two parent (multiplier) breeder flocks became infected.
  • (7) Data were collected from flocks located in Kumagaya city (36 degrees N, Japan), where they were subjected to periodic seasonal changes in photoperiod and ambient temperature specific to that area.
  • (8) Haemagglutinating viruses have been isolated from these flocks and evidence from experimental and field investigations suggest these are the aetiological agents of EDS 76.
  • (9) The presence of toxoplasmosis was ruled out via investigations of blood sera taken from weaned lambs and from ewes that had miscarried in the same flock, employing the microprecipitation test in agar gel after Hubner and Uhliková.
  • (10) The program is based on accreditation of flocks that have passed two successive serological tests with an interval of six months between and post-accreditation tests every 12 months.
  • (11) Also studied was the serum resistance of seven serotype 3, 4 isolates obtained from the lungs of M9-vaccinated turkeys from seven flocks experiencing increased mortality due to fowl cholera.
  • (12) Many sera that were negative in the AGP test were found to have VN antibodies, and virtually all sera in a commercial flock were free of precipitin but had VN titers.
  • (13) He added that London remained the "libel capital of the world – the place where the rich and dodgy flock to keep their reputations intact".
  • (14) Still the audiences flocked to me in Stockholm, Rome, Stockholm and Stockholm.
  • (15) Both breeds were contained in each of two separate flocks housed indoors year-round on expanded metal floors in windowless buildings.
  • (16) Of these 48 strains, 43 (90%) came from the southern part of France in which B. melitensis infection in sheep and goats is enzootic and where the dissemination of this species by sheep flocks moving to mountain pastures most often accounted for cattle contamination.
  • (17) Acquired HEV antibody appeared at 8 to 10 weeks, and 100% of the meat and breeder turkey flocks were positive after 11 weeks of age.
  • (18) Individual test day yields for 1548 lactations of 600 ewes from 32 flocks (1975 to 1985) were used to define the shape of the lactation curve.
  • (19) The changes in nematode cholinesterase (ChE) activities were examined in relation to the development of resistance in (1) a flock of young grazing sheep, (2) grazing and penned sheep treated with dexamethasone and (3) penned sheep receiving a single mixed infection.
  • (20) Early on Sunday morning, Malcolm Turnbull looked out to the Australian electorate and expressed his own profound alienation from the lived experiences of the losers of globalisation – the people who had flocked to Nick Xenophon and Pauline Hanson and to Labor on the basis that the ALP had climbed down partially from the neoliberal pedestal constructed by Bob Hawke and Paul Keating.