microrelief

[mahy-kroh-ri-leef]

noun

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

Origin of microrelief

First recorded in 1930–35; micro- + relief2
Also called microtopography.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019