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microrelief

American  
[mahy-kroh-ri-leef] / ˌmaɪ kroʊ rɪˈlif /

noun

  1. surface features of the earth of small dimensions, commonly less than 50 feet (15 meters).

Etymology

Origin of microrelief

First recorded in 1930–35; micro- + relief 2

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.