concentric circles
[kənˈsentɹɪk ˈsɜɹklz]
noun
círculos concêntricos
1. A series of circles that share the same center point, with each circle having a different radius
The ripples in the water formed concentric circles as the stone sank.
As ondulações na água formaram círculos concêntricos enquanto a pedra afundava.
2. In geometry, circles arranged so that they all have a common center
The target displayed concentric circles in alternating red and white.
O alvo exibia círculos concêntricos em vermelho e branco alternados.
3. Used metaphorically to describe layers or groups organized around a central element
The organization operates in concentric circles of authority.
A organização funciona em círculos concêntricos de autoridade.
This is a mathematical and geometric term used universally in both English-speaking and Portuguese-speaking countries. It is commonly used in educational contexts, art, design, and metaphorically in business and social discussions to describe hierarchical or layered structures. The term has no cultural or regional variations in meaning.
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