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active margin

American  

noun

  1. Geology. Also called convergent plate boundary. the boundary between two tectonic plates that are approaching each other.

active margin Scientific  

  1. See convergent plate boundary

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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