topographic
C2Pronunciation
UK
- /tˌɒpəɡrˈæfɪk/
US
- /ˌtɑpəˈɡræfɪk/
Description
- relating to land surface features
- showing the shape of the land
- describing terrain
Imagine you're an explorer charting unknown lands. You wouldn't just draw the rivers and forests; you'd also need to show how high those mountains are, or how gently the plains slope. That's where "topographic" comes in! It describes anything relating to the shape and features of the Earth's surface—hills, valleys, slopes, everything that makes up the land's form.
A topographic map isn't just a pretty picture; it's a detailed guide for hikers, engineers, and anyone who needs to understand the lay of the land. Think about planning a road—you need to know if there are steep hills or deep valleys in the way! The word comes from Greek roots meaning "place" and "description," so it literally points to describing a place.
"Topographic" refers to the detailed representation of the surface features of a place, particularly landforms. It goes beyond simply showing locations; it illustrates elevation, slope, relief, and other physical characteristics of an area. Think of it as a three-dimensional map flattened onto a two-dimensional surface.
The most common use is in "topographic maps." These aren't your average road maps! They use contour lines—lines that connect points of equal elevation—to show the shape of the land. The closer the lines, the steeper the terrain; wider spacing means gentler slopes. Topographic maps are essential for a wide range of applications: hikers planning routes, geologists studying landscapes, engineers designing infrastructure, and even military strategists assessing battlefields.
However, "topographic" isn't limited to just maps. It can also describe the physical geography itself. You might say, "the topographic diversity of California," meaning its varied landscape of mountains, deserts, and valleys. Or you could talk about a "topographic survey," which is a detailed measurement of land elevation.
The term originates from the Greek words topos (place) and graphia (writing/description). So, when you encounter "topographic," remember that it's all about describing the shape and features of the Earth's surface—revealing the story written in the land itself.
Examples
- 1
Map reading
We used a topographic map to find a safe route through the mountains.
- 2
Construction survey
Before construction began, engineers carried out a topographic survey of the site.
Domain
topographic survey
a detailed measurement of the land’s shape and height
- 3
Flood risk
The report explains how the valley’s topographic features affect flooding after heavy rain.
Forms and spellings
1 form open this card.
Main spelling
- topographicadjective