topography

noun

to·​pog·​ra·​phy tə-ˈpä-grə-fē How to pronounce topography (audio)
1
a
: the art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevations
b
: topographical surveying
2
a
: the configuration of a surface including its relief and the position of its natural and man-made features
b
: the physical or natural features of an object or entity and their structural relationships
the topography of human chromosomes
the political topography of our time

Did you know?

Topography combines top- with graph-, a root meaning "write" or "describe". The topography of the Sahara Desert features shifting sand dunes and dry, rocky mountains. A topographic (or topo) map not only shows the surface features of a region but also indicates the contours and approximate altitude of every location, by means of numerous curving lines, each indicating a single elevation. In other words, it shows a "three-dimensional" picture on a two-dimensional surface. Topo maps are commonly used by hikers, surveyors, government workers, and engineers, among other people.

Examples of topography in a Sentence

a map of the topography of the coastline shows a significant loss of wetlands
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That variation depends in part on the microscopic surface topography of the table as the bottle slides across it. Mack Degeurin, Popular Science, 20 Nov. 2024 From Crying Over Ice to ‘Bucket Brigades’: Inside Hurricane Helene Relief Efforts in North Carolina In the immediate days after the storm last month, some first responders resorted to delivering supplies via mules, due to the mountainous topography and relative inaccessibility of the region. Anna Lazarus Caplan, People.com, 7 Oct. 2024 The topography and autumn color may be best viewed from the top of Bear Mountain State Park, a hub of outdoor activities and natural wonders just south of West Point on the west bank of the Hudson River. Kerry J. Byrne Fox News, Fox News, 1 Oct. 2024 When the moon’s edge aligns with the sun’s during a solar eclipse, its rugged topography of mountains and valleys allows sunlight to shine through unevenly. Samuel Sanders, Smithsonian Magazine, 13 Sep. 2024 See all Example Sentences for topography 

Word History

Etymology

Middle English topographie, from Late Latin topographia, from Greek, from topographein to describe a place, from topos place + graphein to write — more at carve

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of topography was in the 15th century

Dictionary Entries Near topography

Cite this Entry

“Topography.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/topography. Accessed 6 Dec. 2024.

Kids Definition

topography

noun
to·​pog·​ra·​phy tə-ˈpäg-rə-fē How to pronounce topography (audio)
1
: the art or practice of showing on maps or charts the heights and depths of the features of a place
2
: the shape and height and depth of the features of a place

Medical Definition

topography

noun
to·​pog·​ra·​phy tə-ˈpäg-rə-fē How to pronounce topography (audio)
plural topographies
1
: the physical or natural features of an object or entity and their structural relationships
the topography of the abdomen
the topography (size and fluorescent staining intensity) of human chromosomesScience News
2

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