English Reference
noun

interval

n.
US /ˈɪntɝvəɫ/ UK /ˈɪntəvəl/ in·ter·val UK spelling interval's, interval's

  1. 01 B2 Upper Intermediate

    a period of time between two events or activities.

    a temporal gap or duration separating two distinct events or states.

    Simple

    There was a short interval of peace before the noisy construction work started again.

    In context

    The study observed the patients at regular intervals over a five-year period to track the long-term effects of the medication.

  2. 02 B2 Upper Intermediate British English Theatre

    a short break between the parts of a performance, like a play or a concert.

    a scheduled intermission between the acts of a theatrical performance or the sections of a concert.

    Simple

    We went to get some water during the interval of the play.

    In context

    During the fifteen-minute interval, the audience crowded into the foyer while the stagehands quickly rearranged the scenery for the second act.

  3. 03 B2 Upper Intermediate

    the physical distance or gap between two objects.

    the spatial distance or amount of separation between two points or objects.

    Simple

    The trees were planted at ten-meter intervals along the road.

    In context

    The security lights were placed at precise intervals along the perimeter fence to ensure there were no dark spots.

  4. 04 C1 Advanced Technical Music

    the difference in highness or lowness between two musical notes.

    the difference in frequency or pitch between two musical tones.

    Simple

    The singer practiced jumping between a wide interval of notes.

    In context

    The composer used dissonant intervals to create a sense of tension and unease throughout the opening movement of the symphony.

  5. 05 C1 Advanced AcademicTechnical Math

    all the numbers between two specific points.

    a set of real numbers that includes all numbers between any two numbers in the set.

    Simple

    The function is only valid for the interval between zero and one.

    In context

    The algorithm calculates the probability of an event occurring within a specific confidence interval based on the provided data set.

  6. 06 B2 Upper Intermediate British English Sport

    a break in a game, such as half-time in football or lunch in cricket.

    a scheduled break between periods of play in a sporting match.

    Simple

    The players headed to the locker room for the half-time interval.

    In context

    Rain stopped play just before the tea interval, leaving the batsmen frustrated as they waited for the clouds to clear.

    half timestoppagebreak

The lack of context for the fossils—normally provided by the sediments from which they are recovered—means we don't know whether the two individuals lived at the same time or even during a similar interval.

Phys.org· 19 Aug 2026

That’s almost 23 hours of Wagner, not including intervals, in a single week.

The Guardian· 10 Aug 2026

From Middle English interval, intervalle, from Old French intervalle, entreval, from Latin intervallum (“space between, interval, distance, interval of time, pause, difference; literally, space between two palisades or walls”), from inter (“between”) + vallum (“palisade, wall”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin intervallum
Level B2 · Upper Intermediate
Frequency Frequent
Updated