weathering

noun

weath·​er·​ing

ˈwet͟h-riŋ, 

ˈwe-t͟hə- 

: the action of the weather conditions in altering the color, texture, composition, or form of exposed objects

specifically : the physical disintegration and chemical decomposition of earth materials at or near the earth's surface

Examples of weathering in a Sentence

Recent Examples on the Web

Without an atmosphere, the surface would be especially vulnerable to this process, known as space weathering, which gradually breaks down and darkens rock. —Sharmila Kuthunur, Space.com, 4 May 2026

The science payload to be landed there includes seismometers, a drill to allow emplacement of heat flow and electrical conductivity probes, and instruments to study the magnetic field and surface weathering. —Richard Tribou, The Orlando Sentinel, 1 May 2026

Build the Coast: Sand, Shape and Science: This hands-on science lab will explore how landforms are shaped by weathering and erosion. —Larry D. Urish, Oc Register, 20 Apr. 2026

To tackle the issue, the German team turned to rock weathering, a natural process that has regulated atmospheric CO2 for billions of years. —Georgina Jedikovska, Interesting Engineering, 31 Mar. 2026

Word History

First Known Use

1548, in the meaning defined above

Rhymes for weathering

• feathering
• tethering

Kids Definition

weathering

noun

weath·​er·​ing

ˈwet͟h-(ə-)riŋ

: the action of the forces of nature that changes the color, texture, composition, or form of exposed objects

especially : the physical and chemical breakdown of earth materials at or near the earth's surface