Interval
Interval may refer to:

Mathematics and physics
Interval (mathematics), a range of numbers
Partially ordered set#Intervals, its generalization from numbers to arbitrary partially ordered sets
A statistical level of measurement
Interval estimate
Interval (graph theory)
Space-time interval, the distance between two points in 4-space

Arts and entertainment
Dramatic arts
Intermission, (British English: interval), a break in a theatrical performance
Entr'acte, a French term for the same, but used in English often to mean a musical performance played during the break
Interval (play), a 1939 play by Sumner Locke Elliott
Interval (film), a 1973 film starring Merle Oberon

Music
Interval (music), the relationship in pitch between two notes
Intervals (band), a Canadian progressive metal band
Intervals (See You Next Tuesday album), 2008
Intervals (Ahmad Jamal album), 1980

Sport
Playing time (cricket)#Intervals, the breaks between play in cricket
Interval training, a training technique used by runners and cyclists

Other uses
Interval Research Corporation, a technology think tank founded by Paul Allen
Recess (break), a break between classes, also called "interval" in New Zealand
Jerry Interval (1923–2006), American portrait photographer and educator

See also
Intermission (disambiguation)
InterVol, a UK volunteering charity
Interval scheduling, a class of problems in computer science
All pages with titles containing Interval