concentric
/kənˈsentrɪk/ (bre, ipa) · /kənˈsentrɪk/ (ame, ipa) · /kən-ˈsen-trik ˌkän-/ (ame, mw)
concentric — adjective
- concentricpositive
- more concentriccomparative
- most concentricsuperlative
1. Used to describe two or more circles, rings, or curved shapes that sit one insid
Used to describe two or more circles, rings, or curved shapes that sit one inside another and share a single middle point.
Paloma drew three concentric circles on the chalkboard to show how the planets orbit the sun.
typical use: concentric circles for diagrams
The wooden target had five concentric rings painted in red and white.
collocation: concentric rings on a target
When the stone hit the pond, concentric ripples spread out across the still water.
Each tree stump shows concentric rings that tell us how many years the tree grew.
Builders set the new fountain inside two concentric stone walls for support.
- eccentric
geometrically opposite: shapes that do NOT share a centre
文法句型
concentric + plural noun (circles, rings, arcs)
用法筆記
Almost always used attributively before a plural noun naming round shapes (circles, rings, arcs, ripples). Rarely used predicatively after 'be'.