interval

• 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

• 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

• 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

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

• 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

• Intermission (disambiguation)
• InterVol, a UK volunteering charity
• Interval scheduling, a class of problems in computer science
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