(n.) The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth on its axis, etc.
(n.) Return to a point before occupied, or to a point relatively the same; a rolling back; return; as, revolution in an ellipse or spiral.
(n.) The space measured by the regular return of a revolving body; the period made by the regular recurrence of a measure of time, or by a succession of similar events.
(n.) The motion of any body, as a planet or satellite, in a curved line or orbit, until it returns to the same point again, or to a point relatively the same; -- designated as the annual, anomalistic, nodical, sidereal, or tropical revolution, according as the point of return or completion has a fixed relation to the year, the anomaly, the nodes, the stars, or the tropics; as, the revolution of the earth about the sun; the revolution of the moon about the earth.
(n.) The motion of a point, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface (called a surface of revolution), and a moving surface a solid (called a solid of revolution); as, the revolution of a right-angled triangle about one of its sides generates a cone; the revolution of a semicircle about the diameter generates a sphere.
(n.) A total or radical change; as, a revolution in one's circumstances or way of living.
(n.) A fundamental change in political organization, or in a government or constitution; the overthrow or renunciation of one government, and the substitution of another, by the governed.
Example Sentences:
(1) The X-ray tube rotates outside the detector array at the rate of one revolution per second.
(2) Harati was commander of the Tripoli Brigade during the Libyan revolution.
(3) They were preceded by the publication of The Success and Failure of Picasso (1965) and Art and Revolution: Ernst Neizvestny and the Role of the Artist in the USSR (1969); in one, he made a hopeless mess of Picasso’s later career, though he was not alone in this; in the other, he elevated a brave dissident artist beyond his talents.
(4) "The government should be doing all it can to put the UK at the forefront of this energy revolution not blowing hot and cold on the issue.
(5) Her story is an incredible tale of triumph over tragedy: a tormented childhood during China's Cultural Revolution, detention and forced exile after exposing female infanticide – then glittering success as the head of a major US technology firm.
(6) Baroness Jenny Tonge, president of the European Parliamentary Forum on Population and Development (EPF), said the Cairo agreement was akin to a "Copernicus revolution".
(7) Before we embark on the next steps of the global technological revolution, we must ensure that the most basic of online tools are accessible to all.
(8) Thanks to the groundbreaking technology and heavy investment of a new breed of entertainment retailers offering access services, we are witnessing a revolution in the entertainment industry, benefitting consumers, creators and content owners alike.” ERA acts as a forum for the physical and digital retail sectors of music, and represents over 90% of the of the UK’s entertainment retail market.
(9) BAML said that it does not expect "revolution" in ITV's strategic announcement next week, more "evolution", but did say that "advertising alone is no longer enough to maximise the value of ITV's audiences".
(10) They have had their revolution in America, he explains, while he is still plotting ours.
(11) Barack Obama and Hassan Rouhani held the first direct talks between American and Iranian leaders since the 1979 Islamic revolution, exchanging pleasantries in a 15-minute telephone call on Friday that raised the prospect of relief for Tehran from crippling economic sanctions.
(12) One in four British homes could be fitted with solar heating equipment and 3,500 wind turbines could be erected across Britain within 12 years as part of a green energy revolution to be proposed by the government next week.
(13) But Abul Fotouh, an independent Islamist and Brotherhood renegade, also appeals to many liberals and supporters of the revolution, as well as some Salafists.
(14) Describing his blueprint for Parliament 2.0, Bercow says in a speech to the Hansard Society on Wednesday that parliament needs to "reconcile traditional concepts and institutions of representative democracy with the technological revolution witnessed over the past decade or two, which has created both a demand for and an opportunity to establish a digital democracy".
(15) In fact, it is possible that the student with life experience could be considered one of the motivating forces that drives the curriculum revolution toward its eventual victory.
(16) The Muslim Brotherhood, Egypt's largest organised political movement, added its voice to the chorus of discontent, accusing Scaf of contradicting 'all human, religious and patriotic values' with their callousness and warning that the revolution that overthrew former president Hosni Mubarak earlier this year was able to rise again.
(17) I myself spent years – years – in a terrible kind of politically correct phase where I travelled to Nicaragua and called it “Niquragua” to observe the Sandinista revolution firsthand.
(18) "We started the revolution on 25 January 2011 against policemen," Yonis said.
(19) Photograph: Patrick Kingsley for the Guardian Haiba said he was jailed following Syria’s failed revolution in 2011 and still had neck and back problems after being tortured for 17 days.
(20) We wish Thierry all the best for his future.” New England Revolution ended the Red Bulls’ playoff run on Saturday , and Henry said he had decided not to return for another season.
Vortex
Definition:
(n.) A mass of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity or vacuum in the center of the circle, and to draw in towards the center bodies subject to its action; the form assumed by a fluid in such motion; a whirlpool; an eddy.
(n.) A supposed collection of particles of very subtile matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices.
(n.) Any one of numerous species of small Turbellaria belonging to Vortex and allied genera. See Illustration in Appendix.
Example Sentences:
(1) Arterial-type flows produced a pair of vortex sinks downstream of the branching port.
(2) However, the external muscle fibers of the ventricles ran clockwise from base to apex toward the center of the vortex, which had a striking resemblance to the normal rather than the mirror image pattern.
(3) She says that, while she stayed away from the more difficult ramifications of that upbringing, she nevertheless plunged right into the "hot quicksand" of the Arab-Israeli conflict, right down into the Biblical roots of Jewish-Muslim conflict in the story of Abraham, Hagar, Isaac and Ishmael (which she meditates upon in the opera's Hagar chorus), and into the vortex of questions about Israel's right to exist and what motivates terrorists.
(4) Nancy Curtin, the chief investment officer of Close Brothers Asset Management said: "The US economy didn't just grind to a halt in the first quarter – it hit reverse as the polar vortex took its toll.
(5) Electron microscopy and reactivation of infectivity by vortexing suggested that aggregation makes only a minor contribution to neutralization by IgG or IgM.
(6) This study employs classical inviscid fluid dynamics theory to investigate whether LV diastolic inflow volume and the size of the LV play a role in vortex ring formation.
(7) Azotobacter chroococcum (ATCC 7493) was grown in continuous culture with intense vortex aeration (stirring rate 1750 rpm) with up to 50% O2 in the gas phase.
(8) Vortex flow filtration (VFF) was used to concentrate viruses and dissolved DNA from freshwater and seawater samples taken in Florida, the Gulf of Mexico, and the Bahamas Bank.
(9) Specific modifications to the manual procedure include the use of serial vortex mixings in place of batchwise lateral shaking and the substitution of small (6 mL), disposable solid phase extraction columns driven by compressed gas for large (25 mL), gravity-fed, reusable glass columns.
(10) Flow separations also stimulate vortex formation and turbulent mixing at the downstream jet boundaries and thus may intensify blood damage by turbulent shear stresses.
(11) Both record, with power and sentient humanity, the vortex of war in our world today, and the millions these wars scatter and shatter across it, not least to Europe’s shores.
(12) This vortex, which persists into early systole, provides good washing of the VAD walls.
(13) It’s like you go through some crazy inter-dimensional vortex,” Barbe said.
(14) These vortexes were places where spiritual energy was at its highest point, where you could tap into the frequencies of the universe, where you could, by closing your eyes, start to change your life.
(15) After vortex-mixing and centrifugation, 30 microliters of 4 M K2HPO4 were added followed by gentle shaking.
(16) Excitation frequencies, based on vortex shedding, are estimated to be of the order 2-200 Hz, for the range of flow rates of the theoretical model.
(17) From September 1983 to March 1985, five patients who could not be weaned from extracorporeal circulation or who deteriorated in the recovery room have been treated with biventricular mechanical support using two vortex pumps, standard cannulas and tubing.
(18) This method is then used to study the formation of the sinus vortex and to confirm the predictions of the point vortex model with respect to the role of the vortex in valve closure.
(19) Several lines of evidence suggest that the phagocytic uptake depends, in part, upon the LDL receptor and not the acetyl-LDL receptor: 1) soluble, native LDL and beta-VLDL (but not acetyl-LDL) competed for uptake and degradation of LDL aggregates; 2) reductive methylation of LDL before vortexing reduced the effect of the aggregates on degradation and cholesterol esterification; 3) heparin, which inhibits binding of native LDL to its receptor, reduced the degradation of LDL aggregates.
(20) In contrast, partial heparin-less bypass (N = 5) using a centrifugal vortex pump was used after September 1988, and there were no haemorrhagic or paraplegic complications or mortality in this group.