Definitions of revolution

  1. a single complete turn ( axial or orbital); " the plane made three rotations before it crashed"; " the revolution of the earth about the sun takes one year"
  2. a drastic and far- reaching change in ways of thinking and behaving; " the industrial revolution was also a cultural revolution"
  3. 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.
  4. Return to a point before occupied, or to a point relatively the same; a rolling back; return; as, revolution in an ellipse or spiral.
  5. 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.
  6. 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.
  7. 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.
  8. A total or radical change; as, a revolution in one's circumstances or way of living.
  9. 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.
  10. The motion of a body, especially a heavenly body, in a closed curve around a fixed point, or the complete turn of the body made in such a course; as, the revolution of the earth in its orbit; the motion of a body in spinning on an axis; as, the revolution of a wheel; circuit; a decided and sudden change; as, a revolution in ideas or character; the overthrow of one form of government and the setting up of another, by the people.
  11. Motion round a centre; rotation; entire change in government; revolt.
  12. The act of revolving; motion around a center.
  13. A radical change as of government.
  14. Rotation; circular motion of a body on its axis; the motion of a body round a centre; motion returning to the same point or state; continued course, marked regular return; space marked by some revolution; change, specially in the constitution of a government. The Revolution, that which issued on the expulsion of the Stuarts from the throne of England.
  15. The motion of a body round any fixed point or centre; motion or course of anything which brings it back to the same state or point; change or alteration of system; a change in the constitution of a country; in Eng. hist. that change which placed William and Mary on the throne, A. D. 1688; That of the U. States, beginning 1775; that of France, the first or great Revolution, 1789.
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