microrelief

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

noun

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

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Also called microtopography.

Origin of microrelief

First recorded in 1930–35; micro- + relief2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020