mechanical weathering

[/məˈkænɪkəl ˈweðərɪŋ/]
nounpl: mechanical weathering processes
intemperismo mecânico
1. The process of breaking down rocks and minerals into smaller fragments through physical forces without changing their chemical composition
Mechanical weathering caused by freeze-thaw cycles gradually broke apart the granite cliff.
O intemperismo mecânico causado pelos ciclos de congelamento e descongelamento gradualmente desintegrou a encosta de granito.
2. Physical disintegration of rock material due to temperature changes, wind, water, ice, or abrasion
The boulder was shaped by mechanical weathering from decades of wind and rain erosion.
A rocha foi moldada pelo intemperismo mecânico resultado de décadas de erosão por vento e chuva.
This is a technical geological term used consistently across English-speaking and Portuguese-speaking scientific communities. In Brazil, 'intemperismo mecânico' is the standard terminology taught in geology, geography, and environmental science courses. The concept is particularly relevant in Brazil given its diverse geological formations and tropical climate that experiences significant weathering processes.
Synonyms / Sinônimos
physical weatheringdisintegrationexfoliationabrasion
Antonyms / Antônimos
chemical weatheringchemical decomposition

Regional Variations

General Brazilian
intemperismo mecânico
Standard term used in geology and environmental sciences
Rio de Janeiro
intemperismo mecânico
Common in academic and scientific contexts
São Paulo
intemperismo mecânico
Standard usage in geological studies
Portugal
meteorização mecânica
Portuguese variant; 'intemperismo' is also used but less common

Related Words

weatheringerosionfreeze-thaw cycleexfoliationabrasionfrost wedgingrock fragmentationgeomorphology

Related Idioms & Phrases

wear and tear
break down over time
the elements taking their toll
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