concentric
Concentric (adjective) means sharing the same centre point, as circles or rings of different sizes placed one inside another. Example: “The target was made up of concentric circles in red and white.”
How to use concentric
Learner’s notesIn plain EnglishSharing the same centre, like rings inside rings.
It is a formal, precise term used in geometry, biology and everyday descriptions of ring-like shapes.
Do not confuse it with eccentric, which means having a different centre, the opposite idea.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The target was made up of _____ circles in red and white.
Etymology
The word came into English as concentrik from Middle English, borrowed from Middle French concentrique, which traces back to the Medieval Latin concentricus. That in turn combines the Latin prefix con-, meaning together, with centrum, meaning centre or circle.
