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out 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years.

a patron is to oust or dispossess him. Alack, thou dost usurp authority. Shak. Another revolution, to get rid of this illegitimate and usurped government, would of course be perfectly justifiable. Burke.

pedal or pedals connected with the axle of one or more of the wheels, and causing their revolution. They are made in many forms, with two, three, or four wheels. See Bicycle, and Tricycle.

The quality or power of turning; revolution; rotation. [R.] Locke. I hardly believe he hath from elder times unknown the verticity of the loadstone. Sir T. Browne.

Irregular change; revolution; mutation. This man had, after many vicissitudes of fortune, sunk at last into abject and hopeless poverty. Macaulay.

Anything of a rounded or swelling form resembling a roll; a turn; a convolution; a coil. So glides some trodden serpent on the grass, And long behind wounded volume trails. Dryden. Undulating billows rolling their silver volumes. W. Irving.

Consisting of many folds, coils, or convolutions. But ended foul in many a scaly fold, Voluminous and vast. Milton. Over which dusky draperies are hanging, and voluminous curtains have long since fallen. De Quincey.

l exponents of the two types of metaphysical voluntarism, Schopenhauer teaching that the evolution of the universe is the activity of a blind and irrational will, Fichte holding that the intelligent activity of the ego is the fundamental fact of reality.

windmill sail, the obliquity of the sail, or the angle which it makes with its plane of revolution. -- Weather report, a daily report of meteorological observations, and of probable changes in the weather; esp., one published by government authority. -- Weather spy, a stargazer; one who foretells the weather. [R.] Do…

A turn revolution; rotation; compass. According to the common vicissitude and wheel of things, the proud and the insolent, after long trampling upon others, come at length to be trampled upon themselves. South. [He] throws his steep flight in many an aëry wheel. Milton. A wheel within a wheel, or Wheels within wheels,…

A friend and supporter of the American Revolution; -- opposed to Tory, and Royalist.

A turning with rapidity or velocity; rapid rotation or circumvolution; quick gyration; rapid or confusing motion; as, the whirl of a top; the whirl of a wheel. "In no breathless whirl." J. H. Newman. The rapid . . . whirl of things here below interrupt not the inviolable rest and calmness of the noble beings above. Sou…

A volution, or turn, of the spire of a univalve shell.

y, or with repeated turns; especially, to turn about something fixed; to cause to form convolutions about anything; to coil; to twine; to twist; to wreathe; as, to wind thread on a spool or into a ball. Whether to wind The woodbine round this arbor. Milton.

The time of the apparent revolution of the sun trough the ecliptic; the period occupied by the earth in making its revolution around the sun, called the astronomical year; also, a period more or less nearly agreeing with this, adopted by various nations as a measure of time, and called the civil year; as, the common lu…

Accomplished in a year; as, the yearly circuit, or revolution, of the earth. Shak.

e surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis. Davies & Peck (Math. Dict.)

transitory stage through which rapidly multiplying bacteria pass in the course of their evolution. Also used adjectively.

art of biology which relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.