interval
noun OPAL W
  /ˈɪntəvl/
  /ˈɪntərvl/
Idioms - a period of time between two events
- The interval between major earthquakes might be 200 years.
 - He knocked on the door and after a brief interval it was opened.
 
Extra Examples- After a decent interval the actress made her new relationship public.
 - Polling day was a week away and Baldwin made two speeches in the interval.
 - They will be interviewed again after an appropriate time interval has elapsed.
 - Try setting your automatic email checker to 30-minute intervals.
 - You are advised to leave a wide interval before you have your next child.
 - the amount of oxygen used by the muscles during a specified interval
 - She ruled for ten years, except for a brief interval.
 
Oxford Collocations Dictionaryadjective- brief
 - short
 - long
 - …
 
- at intervals
 - in the interval
 - interval between
 - …
 
- at fixed, periodic, regular, etc. intervals
 - at irregular intervals
 - at random intervals
 - …
 
 - (British English)(also intermission North American English, British English)a short period of time separating parts of a play, film or concert
- There will be an interval of 20 minutes after the second act.
 
WordfinderTopics Film and theatreb2- audience
 - auditorium
 - concert
 - interval
 - microphone
 - perform
 - programme
 - soloist
 - support
 - venue
 
Oxford Collocations Dictionaryadjective- brief
 - short
 - long
 - …
 
- at intervals
 - in the interval
 - interval between
 - …
 
- at fixed, periodic, regular, etc. intervals
 - at irregular intervals
 - at random intervals
 - …
 
 - [usually plural] a short period during which something different happens from what is happening the rest of the time
- She's delirious, but has lucid intervals.
 - (British English) The day should be mainly dry with sunny intervals.
 - The intervals between his various illnesses grew shorter and shorter.
 
 - (music) a difference in pitch (= how high or low a note sounds) between two notes
- an interval of one octave
 
 
Word OriginMiddle English: from Old French entrevalle, based on Latin intervallum ‘space between ramparts, interval’, from inter- ‘between’ + vallum ‘rampart’.
Idioms 
at (…) intervals 
- with time between
- Buses to the city leave at regular intervals.
 - The runners started at 5-minute intervals.
 
Extra Examples- At intervals a bell rings and workers stop for a drink.
 - He returned home during the day at regular intervals.
 - Meetings are held at monthly intervals.
 - The accounts were updated at irregular intervals.
 - Trains run at fixed intervals.
 
 - with spaces between
- Flaming torches were positioned at intervals along the terrace.
 - The flags were spaced at two-metre intervals.