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Related to at intervals: intervallic
Separated by a particular amount of space or time. Make sure to position those Christmas lights so that the flashing ones appear at intervals.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
at (...) ˈintervals
1 with time between: Buses to the city leave at regular intervals. ♢ The runners started at 5-minute intervals.
2 with spaces between: Flaming torches were positioned at intervals along the terrace.
Farlex Partner Idioms Dictionary © Farlex 2017
In a series separated by space or time: trees planted at intervals; coughing at intervals.
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.