Period
37650
223533949
2008-07-04T14:15:07Z
Fieldday-sunday
6803532
Reverted edits by [[Special:Contributions/72.79.178.67|72.79.178.67]] to last version by Slakr (using [[WP:HG|Huggle]])
{{wiktionarypar|period|periodic}}
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'''Period''' or '''periodic''' may refer to:
==Language and literature==
* [[Full stop]], a punctuation mark indicating the end of a sentence or phrase
* [[Periodic sentence]], a sentence that is not grammatically complete until its end
* The final book in [[Dennis Cooper#George Miles cycle|Dennis Cooper's George Miles cycle]] of novels
==Science and mathematics==
* [[Menstruation]], a phase of the menstrual cycle in which the uterine lining is shed
* [[Orbital period]], a concept in astronomy
* [[Period (gene)]], a gene in Drosophila involved in regulating circadian rhythm
* [[Period (geology)]], a subdivision of geologic time
* [[Period (number)]], a concept in mathematics
* [[Period (periodic table)]], a horizontal row of the periodic table
* [[Periodic acid]], an oxoacid of iodine
* In physics, ''period'' the reciprocal of [[frequency]]
==Other meanings==
* [[Period (music)]], a concept in musical composition
* [[Periodicity]], the quality of occurring at regular intervals
* For historical period, see [[List of time periods]]
==See also==
* [[Periodization]]
{{disambig}}
[[af:Periode]]
[[be-x-old:Пэрыяд]]
[[cs:Perioda]]
[[da:Periode]]
[[de:Periode]]
[[es:Período]]
[[fr:Période]]
[[gl:Período]]
[[ko:주기]]
[[id:Periode]]
[[it:Periodo]]
[[lb:Period]]
[[lt:Periodas]]
[[nl:Periode]]
[[ja:ピリオド]]
[[no:Periode]]
[[nds:Periood]]
[[pl:Okres]]
[[pt:Período]]
[[ru:Период]]
[[simple:Period]]
[[sk:Perióda]]
[[fi:Jakso]]
[[sv:Period]]
[[uk:Період]]