Dictionary.com
Thesaurus.com

landform

American  
[land-fawrm] / ˈlændˌfɔrm /

noun

Geology.
  1. a specific geomorphic feature on the surface of the earth, ranging from large-scale features such as plains, plateaus, and mountains to minor features such as hills, valleys, and alluvial fans.


landform British  
/ ˈlændˌfɔːm /

noun

  1. geology any natural feature of the earth's surface, such as valleys and mountains

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

landform Scientific  
/ lăndfôrm′ /
  1. A recognizable, naturally formed feature on the Earth's surface. Landforms have a characteristic shape and can include such large features as plains, plateaus, mountains, and valleys, as well as smaller features such as hills, eskers, and canyons.


Etymology

Origin of landform

First recorded in 1890–95; land + form

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That is because these landforms and features ultimately shape how fast the glaciers above move, and how quickly they can retreat in a warming climate.

From BBC

These experiments successfully revealed detailed features of various landforms and objects, confirming the functionality and reliability of the system in real-world scenarios.

From Science Daily

Barrier islands are narrow offshore landforms that run parallel to the mainland coastline.

From Science Daily

Channel landforms called gullies, previously thought to be formed exclusively by liquid water, can also be formed by the action of evaporating CO2 ice.

From Science Daily

When it is introduced this year, the new and varied terrain of Dia Beacon, with its sculptural landforms, meadowlands and pathways, may surprise and delight.

From New York Times