Etymology : Middle English pariode, from Middle French periode, from Medieval Latin, Latin, and Greek; Medieval Latin periodus period of time, punctuation mark, from Latin and Greek; Latin, rhetorical period, from Greek periodos circuit, period of time, rhetorical pe
Pronunciation : pir-E-&d
Function : noun
Date : circa 1530
1. age, era; season; lesson; length of time; (Sports) one of the segments of the playing time of a game (such as quarter, half or overtime). menstrual period, menstrual cycle. punctuation mark resembling a small dot placed at the end of a sentence; end; pause at end of a phrase; full sentence. period\pe"ri*od\ , v. t. to put an end to. [obs.]period \pe"ri*od\, v. i. to come to a period; to conclude. [obs.] "you may period upon this, that," etc. --felthman.period \pe"ri*od\ , n. [l. periodus, gr. a going round, a way round, a circumference, a period of time; round, about + a way: cf. f. période.].
2. 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.
3. hence: 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. how by art to make plants more lasting than their ordinary period.
4. (geol.) one of the great divisions of geological time; as, the tertiary period; the glacial period. see:
the chart of geology.
5. the termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion. so spake the archangel michael; then paused, as at the world's great period. evils which shall never end till eternity hath a period. taylor. this is the period of my ambition.
6. (rhet.) a complete sentence, from one full stop to another; esp., a well-proportioned, harmonious sentence. "devolved his rounded periods." periods are beautiful when they are not too long. johnson.note: the period, according to heyse, is a compound sentence consisting of a protasis and apodosis; according to becker, it is the appropriate form for the co?rdinate propositions related by antithesis or causality. --gibbs.
7. (print.) the punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.
8. (math.) 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.
9. (med.) the time of the exacerbation and remission of a disease, or of the paroxysm and intermission.
10. (mus.) a complete musical sentence.
11. 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.
12. 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.
13. One of the great divisions of geological time; as, the Tertiary period; the Glacial period.
14. See the Chart of Geology.
15. The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion.
16. A complete sentence, from one full stop to another; esp., a well-proportioned, harmonious sentence.
17. The punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.
18. 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.
19. The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.
20. A complete musical sentence.
21. To put an end to.
22. To come to a period; to conclude. [Obs.] "You may period upon this, that," etc. a punctuation mark placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility" a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" one of three periods of play in hockey games the interval taken to complete one cycle of a regularly repeating phenomenon a stage in the history of a culture having a definable place in space and time; "a novel from the Victorian period".
23. 1. A period is a length of time. This crisis might last for a long period of time. a period of a few months. for a limited period only.
24. A period in the life of a person, organization, or society is a length of time which is remembered for a particular situation or activity. a period of economic good health and expansion He went through a period of wanting to be accepted The South African years were his most creative period.
25. A particular length of time in history is sometimes called a period. For example, you can talk about the Victorian period or the Elizabethan period in Britain. the Roman period No reference to their existence appears in any literature of the period.
26. Period costumes, furniture, and instruments were made at an earlier time in history, or look as if they were made then. dressed in full period costume.
27. Exercise, training, or study periods are lengths of time that are set aside for exercise, training, or study. They accompanied him during his exercise periods.
28. At a school or college, a period is one of the parts that the day is divided into during which lessons or other activities take place. periods of private study.
29. When a woman has a period, she bleeds from her womb. This usually happens once a month, unless she is pregnant.
30. emphasis Some people say period after stating a fact or opinion when they want to emphasize that they are definite about something and do not want to discuss it further. I don't want to do it, period.
31. A period is the punctuation mark which you use at the end of a sentence when it is not a question or an exclamation. period costume/furniture etc clothes, furniture etc in the style of a particular time in history. In geology, the basic unit of the geologic time scale. During these spans of time, specific systems of rocks were formed. Originally, the method for defining the sequence of periods was relative; it was based on stratigraphy and paleontology. Carbon-14 dating and similar methods are now used to determine absolute ages for various periods. Baroque period Cambrian Period Carboniferous Period Cretaceous Period Devonian Period Genroku period Heian period Heisei period Jurassic Period Kamakura period Meiji period Mesolithic Period Mississippian Period Muromachi period Nara period Neolithic Period Ordovician Period Paleolithic Period Pennsylvanian Period Permian Period Quaternary Period Showa period sidereal period Silurian Period Spring and Autumn period synodic period Taisho period Tertiary Period Tokugawa period Triassic Period Warring States period.