concentricchart
nounUK /kənˈsɛntrɪk tʃɑːt/
US /kənˈsɛntrɪk tʃɑːrt/
A chart made of circles inside circles that all share the same center.
The teacher used a concentric chart to show how the planets circle the sun.
OTHER MEANINGS
2. A diagram where each ring stands for a different group or level.
The concentric chart showed the team, the department, and the whole company as three rings.
3. A visual tool for showing layers of a system from the middle outward.
She drew a concentric chart to explain the layers of the Earth.
4. A circular display used to compare sizes of nested categories.
The concentric chart made it easy to see which group was the biggest.