Definition of revolution in English:


Line breaks: revo|lu¦tion
Pronunciation: /rɛvəˈluːʃ(ə)n


  • 2An instance of revolving: one revolution a second
    More example sentences
    • The Blazer also has a maximum power of 138 horsepower at 5,600 revolutions per minute (rpm).
    • When you have a hamster in your head than runs on its wheel at 300 revolutions a second, you certainly don't have to plan your stand-up act.
    • The researchers initiated this process by feeding their rotors with ATP, and saw them revolve under the microscope at around five revolutions per second.
    single turn, turn, rotation, circle, whirl, twirl, spin, wheel, roll, round, cycle, circuit, lap
  • 2.1 [mass noun] The movement of an object in a circular or elliptical course around another or about an axis or centre: revolution about the axis of rotation
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    • In this work Dionysodorus calculates the volume of a torus and shows that it is equal to the product of the area of the generating circle with the length of the circle traced by its centre rotating about the axis of revolution.
    • There are three distinct types of spiric surfaces depending whether the axis of revolution cuts the circle, it a tangent to the circle, or is outside the circle.
    • Earth has also tidally locked the Moon, leaving it with identical periods of rotation on its axis and revolution around Earth.
    turning, gyration, rotation, circumrotation, wheeling, turning around, circling, whirling, twirling, spinning, swivelling, rolling, orbital motion, orbiting, orbit
    rare circumgyration
  • 2.2A single orbit of one object around another or about an axis or centre: near the solar equator the sun takes about 26 days to complete one revolution
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    • Before I do this, I have to revisit science concepts and make sure I understand orbits, rotations, revolutions and seasons.
    • For example, the Hilda asteroids circle the Sun three times for every two revolutions of Jupiter.
    • Since the rotations and revolutions of the moon were different from Earth, an artificial sky, sun, and moon were set up to simulate Earth.



More example sentences
  • But it conveys on Godard's part an unearned sense of being let down by them; like his revolutionism, his disillusionment with revolution has something brattish about it.
  • Yet by and large, today's Shiite clerics in Iraq view the revolutionism of their predecessors as outdated, and few yearn to implement those designs in Iraq.
  • From the anarchism of his youth to the apocalyptic Catholicism of later years, McAuley always found it hard to resist the lure of revolutionism.


More example sentences
  • They were what used to be called insurrectionists, but they probably wouldn't have minded being called Marxist and/or anarchist rebels, revolutionists, liberationists… you get the sort of thing.
  • The New City rooms have been essential live venues since their opening in 1997, drawing everyone from the legendary Bad Brains to Czech revolutionists Uz Jsme Doma, while serving as an incubator for some of Edmonton's finest acts.
  • ‘Remember, remember always,’ he said, ‘that all of us, and you and I especially, are descended from immigrants and revolutionists.’


late Middle English: from Old French, or from late Latin revolutio(n-), from revolvere 'roll back' (see revolve).

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody