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The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.

A printed sheet appearing periodically; a newspaper; a journal; as, a daily paper.

The quality or state of being periodical, or regularly recurrent; as, the periodicity in the vital phenomena of plants. Henfrey.

A table or other means for calculating the periodical functions of women. Dunglison.

A printed publication, more especially a newspaper or other periodical. Addison.

Anticipating the usual time; -- applied to a periodical disease whose paroxysms return at an earlier hour at every repetition.

A periodical work published once a quarter, or four times in a year.

s student. -- Reading room, a room appropriated to reading; a room provided with papers, periodicals, and the like, to which persons resort.

A certain periodical profit, whether in money, provisions, chattels, or labor, issuing out of lands and tenements in payment for the use; commonly, a certain pecuniary sum agreed upon between a tenant and his landlord, paid at fixed intervals by the lessee to the lessor, for the use of land or its appendages; as, rent…

A periodical containing critical essays upon matters of interest, as new productions in literature, art, etc.

An instrument which periodically or otherwise interrupts an electric current. Wheatstone.

Movement in musical time, with periodical recurrence of accent; the measured beat or pulse which marks the character and expression of the music; symmetry of movement and accent. Moore (Encyc. )

the order of their atomic weights, it will be found that nearly the same properties recur periodically throughout the entire series." The following tabular arrangement of the atomic weights shows the regular recurrence of groups (under I., II., III., IV., etc.), each consisting of members of the same natural family. Th…

To perform a periodical revolution; to move onward as with a revolution; as, the rolling year; ages roll away.

vents ending where it began; a series of like events recurring in continuance; a cycle; a periodical revolution; as, the round of the seasons; a round of pleasures.

distance from the sun nearly eight hundred and eighty millions of miles, and its year, or periodical revolution round the sun, nearly twenty-nine years and a half. It is surrounded by a remarkable system of rings, and has eight satellites.

Something done or made every half month; esp., a semimonthly periodical. -- adv.

That which comes or happens once every half week, esp. a semiweekly periodical. -- adv.

ies or succession of part; a tale, or other writing, published in successive numbers of a periodical.

A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more o…