at intervals

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Related to at intervals: intervallic


1. A space between objects, points, or units, especially when making uniform amounts of separation: We set up hurdles at intervals of 15 yards around the track.
2. An amount of time between events, especially of uniform duration separating events in a series: We ran laps at 30-second intervals.
3. A segment of an athletic workout in which an athlete runs, swims, or does other exercise over a series of predetermined distances at regular time increments with intermittent rests.
4. Mathematics
a. A set of numbers consisting of all the numbers between a pair of given numbers along with either, both, or none of the endpoints.
b. A closed interval.
c. An open interval.
d. A half-open interval.
e. A line segment representing the set of numbers in an interval.
5. Chiefly British An intermission, as between acts of a play.
6. Music The difference, usually expressed in the number of steps, between two pitches.
at intervals
In a series separated by space or time: trees planted at intervals; coughing at intervals.

[Middle English intervalle, from Old French, from Latin intervallum : inter-, inter- + vallum, rampart.]

in′ter·val′ic, in′ter·val′lic (-văl′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
في فَتَراتٍ مُتَقَطِّعَه
tu a tam
med mellemrum
meî millibili; hér og òar


(ˈintəvəl) noun
1. a time or space between. He returned home after an interval of two hours.
2. a short break in a play, concert etc. We had ice-cream in the interval.
at intervals
here and there; now and then. Trees grew at intervals along the road.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
At intervals, he would refer to piles of old log-books beside him, wherein were set down the seasons and places in which, on various former voyages of various ships, sperm whales had been captured or seen.
At intervals, the original wildness in his nature broke out; he, too, lost all re lish for the comforts of home, and ungratefully left the house.
At intervals were heaps of green bread-fruit, raised in pyramidical stacks, resembling the regular piles of heavy shot to be seen in the yard of an arsenal.