constructive interference
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Related to constructive interference: Destructive interference
constructive interference
n.
The effective increase in the overall amplitude of a resultant wave when the peaks of two or more constituent waves overlap and amplify each other.
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.