interval

noun
in·​ter·​val | \ ˈin-tər-vəl \

Definition of interval

1a : a space of time between events or states
b British : intermission
2a : a space between objects, units, points, or states
b : the difference in pitch between two tones
3 : a set of real numbers between two numbers either including or excluding one or both of them
4 : one of a series of fast-paced exercises interspersed with slower ones or brief rests for training (as of an athlete)

Keep scrolling for more

Other Words from interval

intervallic \ ˌin-​tər-​ˈva-​lik \ adjective

Examples of interval in a Sentence

a three-month interval between jobs There might be long intervals during which nothing happens. The sun shone for brief intervals throughout the day. There will be a 20-minute interval between acts one and two.
See More

Recent Examples on the Web

How long that interval changes depends on how bright the Cepheid is: the brighter the star, the longer its brightness cycle. Avery Thompson, Popular Mechanics, "Astronomers Discover the Milky Way Is More Twisted and Warped Than We Thought," 5 Feb. 2019 Turner is concerned about the more frequent fires that consume areas previously charred, called repeated short-interval fires. Kristen Pope, Discover Magazine, "Wildfire Engulfed Yellowstone 30 Years Ago. Its Recovery Could Predict The Future of the West," 12 Nov. 2018 Travel; the tranquilizing effects of suspending yourself on a sea-meets-sky horizon; the body-toning results of what amounts to hours of aquatic sprint intervals. Mackenzie Wagoner, Glamour, "7 Pro Surfers on the Best Deep Conditioners," 17 Sep. 2018 France had controlled possession and circulated the ball well before the interval, but after four shots in the first eight minutes the French failed to get a single shot on target in the remainder of the first half. Sanuel Petrequin, BostonGlobe.com, "Video replay, goal-line technology helped France beat gritty Australia," 16 June 2018 France had controlled possession and circulated the ball well before the interval, but after four shots in the first eight minutes the French failed to get a single shot on target in the remainder of the first half. Samuel Petrequin, chicagotribune.com, "France beat Australia as VAR makes first World Cup appearance," 16 June 2018 Withdrawing those 2,000 American troops from the Middle East is a significant act for which allies in the region and elsewhere needed a decent interval to prepare. The Editorial Board, WSJ, "The Trump Volatility Risks," 20 Dec. 2018 Since the average interval between these big earthquakes was 135 years, a common interpretation is that Southern California is due for a big earthquake. Cade Metz, The Seattle Times, "The next Big One? Earthquake scientists look to AI.," 26 Oct. 2018 But the interval between RFK’s shooting and his death is all but forgotten. Rick Hampson, USA TODAY, "The lost day: How we remember, and don't, the 26 hours after Robert F. Kennedy fell," 4 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'interval.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of interval

14th century, in the meaning defined at sense 1a

History and Etymology for interval

Middle English intervalle, from Anglo-French & Latin; Anglo-French entreval, from Latin intervallum space between ramparts, interval, from inter- + vallum rampart — more at wall

Keep scrolling for more

Learn More about interval

Statistics for interval

Last Updated

15 Feb 2019

Look-up Popularity

Time Traveler for interval

The first known use of interval was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for interval

interval

noun

English Language Learners Definition of interval

: a period of time between events
music : the difference in pitch between two notes

interval

noun
in·​ter·​val | \ ˈin-tər-vəl \

Kids Definition of interval

1 : a period of time between events or states There was a short interval between shows.
2 : a space between things Signs were posted at regular intervals.
3 : the difference in pitch between two tones

interval

noun
in·​ter·​val | \ ˈint-ər-vəl \

Medical Definition of interval

: a space of time between events or states intervals between pregnancies

Keep scrolling for more

Comments on interval

What made you want to look up interval? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

esteemed in general opinion

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!