# concentric

/kənˈsɛntɹɪk/ (US) · /kənsˈɛntɹɪk/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/concentric
Updated: 2026-05-19

## Definition

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.

For teachers: having circles or shapes that share a common center. Often describes geometric patterns or the structural layers of an object.

## Examples

- 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.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.