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1. A definite length of time marked off by two instants
   - time interval
    
2. A set containing all points (or all real numbers) between two given endpoints
    
3. The distance between things
   - separation
    
4. The difference in pitch between two notes
   - musical interval
    
5. [Brit] An intermission during a play, movie, show, etc.

Derived forms: intervals

Type of: amount, distance, measure, musical notation, quantity, set

Encyclopedia: Interval