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Period (disambiguation)
Period
Period
may refer to:
Common uses
Period (punctuation)
Era
, length or span of time
Periodization
, classifying particular lengths of time into distinct historiographic or artistic periods
List of time periods
History by period
Menstruation
, commonly referred to as a "period"
Arts, entertainment, and media
Period (music)
, concept in musical composition
Periodic sentence
or rhetorical period, concept in grammar and literary style
Period drama
, dramatic film or television production set in a historical period
Period (Another American Lie)
, 1987 album by B.A.L.L.
Period
(Kesha album)
, 2025
Period
(mixtape)
, 2018 City Girls mixtape
Period
, novel in Dennis Cooper's
George Miles
cycle
Periods.
, comedy film series
Mathematics
In a
repeating decimal
, the length of the repetend
Period of a function
, length or duration after which a function repeats itself
Period (algebraic geometry)
, numbers that can be expressed as integrals of algebraic differential forms over algebraically defined domains, forming a ring
Science
Period (gene)
, gene in
Drosophila
involved in regulating circadian rhythm
Period (periodic table)
, horizontal row of the periodic table
"Period-" or "per-iod-", chemical prefix where "per" refers to oxidation state and "iod" refers to
iodine
Unit of time
or timeframe
Period (geology)
, subdivision of geologic time
Period (physics)
, the duration of time of one cycle in a repeating event
Orbital period
, the time needed for one object to complete an orbit around another
Rotation period
, the time needed for one object to complete a revolution
Wavelength
, the spatial period of a periodic wave
Sentence (linguistics)
, especially when discussing complex sentences in Latin syntax
Other uses
Period (school)
, block of time allocated for a specific course or other purpose
Playing period
, a division of playing time in games and sport
Period (ice hockey)
Accounting period
, often shortened to "period" in business, an accounting timeframe analogous to a month
Periodt
, slang of
period
used as an interjection
See also
. (disambiguation)
Duration (disambiguation)
Full stop (disambiguation)
Periodicity (disambiguation)