labile layer
[ˈleɪbəl ˈleɪər]
nounpl: labile layers
camada lábil
1. In soil science and geology, a layer of soil or sediment that is chemically unstable or easily altered, reactive, or subject to rapid change due to weathering, biological activity, or chemical transformation
The labile layer near the soil surface contains organic matter that readily decomposes.
A camada lábil próxima à superfície do solo contém matéria orgânica que se decompõe facilmente.
2. In chemistry and materials science, a layer of material containing bonds or compounds that are readily broken or transformed under normal environmental or experimental conditions
The labile layer in the polymer coating breaks down when exposed to UV light.
A camada lábil no revestimento polimérico se degrada quando exposta à luz UV.
3. In limnology and oceanography, a transitional water layer with unstable thermal or chemical properties that can shift rapidly
Temperature fluctuations occur in the labile layer between the epilimnion and hypolimnion.
Flutuações de temperatura ocorrem na camada lábil entre o epilímnio e o hipolímnio.
This is primarily a technical term used in scientific and academic contexts, particularly in soil science, geology, chemistry, and environmental studies. It is more common in Brazilian universities and research institutions than in everyday Portuguese usage. The concept emphasizes the dynamic nature of certain environmental or material layers.
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