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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

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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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