camada

Camada is a feminine noun in Portuguese and in other Romance languages that denotes a sheet, plate, or distinct stratum of material. Used across disciplines, it describes a portion of matter that lies between surfaces or within a sequence, forming a cohesive layer.

In geology and earth sciences, camada refers to a stratum or bed within rocks, soils, or sediments. It describes layered structures such as sedimentary sequences, rock formations, or soil horizons, and is often used interchangeably with terms like sedimentary layer or soil layer depending on context.

In atmosphere and environmental sciences, 'camada' appears in phrases such as ozone layer, ice layer, or cloud layer, indicating a distinct level within a gaseous or hydrometeorological system.

In biology and medicine, camada commonly denotes a layer of cells or tissue, as in epidermal layer or other tissue layers, reflecting the hierarchical organization of structures in organisms.

In technology and everyday usage, the word describes coatings or levels within systems, such as a coat of paint or a software layer in a layered architecture. The expression 'layered model' is used to describe such design approaches, including the OSI model in networking.