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What (who) is period - definition
WIKIMEDIA DISAMBIGUATION PAGE
Periods; Period (disambiguation); Peroid; Period (number); Period (song); Periode
period
n.
1.
Circuit.
2.
Cycle, circle of time, revolution of time, round of years.
3.
Time, term, era, epoch, age, date.
4.
Duration, continuance.
5.
End, limit, bound, termination, conclusion, determination.
6.
(Rhet.) Sentence (full or completed), proposition, phrase, clause.
7.
(Gram.) Dot, full stop.
period
¦ noun
1. a length or portion of time.
a major division of geological time that is a subdivision of an era and is itself subdivided into epochs.
2. each of the set divisions of the day in a school.
3. (also menstrual period) a monthly flow of blood and other material from the lining of the uterus, occurring in women of childbearing age when not pregnant.
4. N. Amer. a full stop.
5. Physics the interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon.
6. Mathematics the interval between successive equal values of a periodic function.
7. Chemistry a set of elements occupying a horizontal row in the periodic table.
8. Astronomy the time taken by a celestial object to rotate about its axis, or to make one circuit of its orbit.
9. Rhetoric a complex sentence, especially one consisting of several clauses, constructed as part of a formal speech or oration.
¦ adjective belonging to or characteristic in style of a past historical time: period furniture.
Derivatives
periodization or periodisation noun
periodize or periodise verb
Origin
ME: from OFr. periode, via L. from Gk periodos 'orbit, recurrence, course'.
Period
·vt To put an end to.
II. Period ·noun A complete musical sentence.
III. Period ·vi To come to a period; to conclude. [Obs.] "You may period upon this, that," ·etc.
IV. Period ·noun The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.
V. Period ·noun The punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.
VI. Period ·noun A complete sentence, from one full stop to another; ·esp., a well-proportioned, harmonious sentence.
VII. Period ·noun One of the great divisions of geological time; as, the Tertiary period; the Glacial period. ·see the Chart of Geology.
VIII. Period ·noun The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion.
IX. Period ·noun One of several similar sets of figures or terms usually marked by points or commas placed at regular intervals, as in numeration, in the extraction of roots, and in circulating decimals.
X. Period ·noun A stated and recurring interval of time; more generally, an interval of time specified or left indefinite; a certain series of years, months, days, or the like; a time; a cycle; an age; an epoch; as, the period of the Roman republic.
XI. Period ·noun 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.
Examples of use of period
1. The Interim Period is a six year period following the Pre–Interim Period.
2. The grace period will be for a period of two months, expiring on Nov. 3.
3. The government has declared the period from July 28 to September 4 an «open stadiums» period.
4. Revenue for the period was $18.5 billion, down 0.8 percent from the same period last year.
5. My contract is of unlimited period with a six–month probation period.