Definition of period

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Period (n.) A portion of time as limited and determined by some recurring phenomenon, as by the completion of a revolution of one of the heavenly bodies; a division of time, as a series of years, months, or days, in which something is completed, and ready to recommence and go on in the same order; as, the period of the sun, or the earth, or a comet..

Lern More About Period

Pupillarity :: Pupillarity (n.) The period before puberty, or from birth to fourteen in males, and twelve in females..
Vacation :: Vacation (n.) Intermission of a stated employment, procedure, or office; a period of intermission; rest; leisure..
Pristine :: Pristine (a.) Belonging to the earliest period or state; original; primitive; primeval; as, the pristine state of innocence; the pristine manners of a people; pristine vigor..
Stroboscope :: Stroboscope (n.) An instrument for studying or observing the successive phases of a periodic or varying motion by means of light which is periodically interrupted.
Antiperiodic :: Antiperiodic (n.) A remedy possessing the property of preventing the return of periodic paroxysms, or exacerbations, of disease, as in intermittent fevers..
Babyhood :: Babyhood (n.) The state or period of infancy.
Winter :: Winter (n.) The period of decay, old age, death, or the like..
Megrim :: Megrim (n.) A kind of sick or nevrous headache, usually periodical and confined to one side of the head..
Quadrennium :: Quadrennium (n.) A space or period of four years.
Etesian :: Etesian (a.) Periodical; annual; -- applied to winds which annually blow from the north over the Mediterranean, esp. the eastern part, for an irregular period during July and August..
Periodide :: Periodide (n.) An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
Utica :: Utica (a.) Of, pertaining to, or designating, a subdivision of the Trenton Period of the Lower Silurian, characterized in the State of New York by beds of shale..
Anatropous :: Anatropous (a.) Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; -- opposed to orthotropous..
Drachma :: Drachma (n.) A silver coin among the ancient Greeks, having a different value in different States and at different periods. The average value of the Attic drachma is computed to have been about 19 cents..
Subelongate :: Subeditor (n.) An assistant editor, as of a periodical or journal..
Halt :: Halt (v. i.) To hold one's self from proceeding; to hold up; to cease progress; to stop for a longer or shorter period; to come to a stop; to stand still.
Potsdam Group :: Potsdam group () A subdivision of the Primordial or Cambrian period in American geology; -- so named from the sandstone of Potsdam, New York. See Chart of Geology..
Interregnum :: Interregnum (n.) Any period during which, for any cause, the executive branch of a government is suspended or interrupted..
Genesee Epoch :: Genesee epoch () The closing subdivision of the Hamilton period in the American Devonian system; -- so called because the formations of this period crop out in Genesee, New York..
Age :: Age (n.) A great period in the history of the Earth.
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