mass wasting: meaning, definition, pronunciation and examples
C2Technical/Academic (Geology, Geography, Environmental Science)
Quick answer
What does “mass wasting” mean?
The downslope movement of rock, soil, and debris under the direct influence of gravity.
Audio
Pronunciation
Definition
Meaning and Definition
The downslope movement of rock, soil, and debris under the direct influence of gravity.
A geomorphic process and a category of erosion that includes various types of landslides, rockfalls, mudflows, and creep, which reshape the Earth's surface.
Dialectal Variation
British vs American Usage
Differences
No significant difference in technical meaning. British texts may occasionally use 'mass movement' as a more frequent synonym, while American texts strongly prefer 'mass wasting'.
Connotations
Identical scientific connotations in both varieties.
Frequency
Extremely low frequency in general language; exclusive to technical fields. Slightly higher relative frequency in American academic texts.
Grammar
How to Use “mass wasting” in a Sentence
Mass wasting + verb (occurs, happens, is triggered)Verb + mass wasting (trigger mass wasting, study mass wasting)Adjective + mass wasting (rapid mass wasting, widespread mass wasting)Vocabulary
Collocations
Examples
Examples of “mass wasting” in a Sentence
verb
British English
- The slope is mass-wasting rapidly after the heavy rains.
- The area has been mass-wasting for centuries.
American English
- The hillside is mass wasting due to deforestation.
- Geologists observed the cliff face mass wasting over the decade.
adverb
British English
- The material moved mass-wastingly down the slope. (Very rare/constructed)
American English
- The regolith failed mass-wastingly. (Very rare/constructed)
adjective
British English
- Mass-wasting processes are a major concern for the coastal railway.
- The study focused on mass-wasting hazards.
American English
- Mass-wasting events are increasing in frequency.
- The road was closed due to mass-wasting activity.
Usage
Meaning in Context
Business
Virtually never used except in specific contexts like insurance for geological hazards or environmental consultancy reports.
Academic
Core term in geology, physical geography, geomorphology, and environmental science courses and literature.
Everyday
Extremely rare. Might be encountered in news reports about major landslides or natural disasters.
Technical
The primary register. Used in engineering geology, hazard assessment, soil mechanics, and land-use planning.
Vocabulary
Synonyms of “mass wasting”
Vocabulary
Antonyms of “mass wasting”
Watch out
Common Mistakes When Using “mass wasting”
- Using it as a countable noun (*'a mass wasting').
- Confusing it with general 'erosion' which includes water/wind action.
- Misspelling as 'mass waiting'.
FAQ
Frequently Asked Questions
No. Mass wasting is a specific type of erosion caused directly by gravity. Erosion is a broader term that also includes the wearing away of material by agents like water, wind, or ice.
It is more accurate to call a single event 'a landslide'. 'Mass wasting' is best used to describe the general process or category that includes landslides, rockfalls, etc.
In many technical contexts, yes. However, some purists argue 'mass wasting' implies a loss or degradation of the slope, while 'mass movement' is more neutral. In practice, they are often used interchangeably.
The primary driver is gravity acting on a slope. This force is enabled or triggered by factors like water saturation (reducing friction), earthquakes, volcanic activity, or human actions (e.g., excavation).
The downslope movement of rock, soil, and debris under the direct influence of gravity.
Mass wasting is usually technical/academic (geology, geography, environmental science) in register.
Mass wasting: in British English it is pronounced /ˌmæs ˈweɪstɪŋ/, and in American English it is pronounced /ˌmæs ˈweɪstɪŋ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think of a MASS of earth WAIST-deep in mud, slowly sliding down and WASTING away the hillside.
Conceptual Metaphor
THE LANDSCAPE IS A BODY (that decays, slumps, and sheds material).
Practice
Quiz
Which of the following is NOT a type of mass wasting?