concentric
adj.having circles or shapes that share the same center. You see this in things like rings on a tree or the layers of an onion.
adj.having circles or shapes that share a common center. Often describes geometric patterns or the structural layers of an object.
“The tree has concentric rings showing its age.”
“The architect designed the building with concentric circles to create a sense of movement and depth.”
“The geologist noted that the rock formation displayed concentric layers, suggesting a history of gradual sedimentation rather than a single violent event.”
Usage concentric circle scientific · concentric theoretical · concentric traditional
From Middle English concentrik, from Middle French concentrique, from Medieval Latin concentricus, from Latin con- (“with, together”) + centrum (“circle, center”). Equivalent to con- + -centric. By surface analysis, con- + centre + -ic.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.