環かん状じょう

noun, noun which may take the genitive case particle 'no'

ring-shaped; annular; loop-shaped

Describes something that forms a ring or loop, often used in technical, geographical, or anatomical contexts (e.g., 環状道路, 環状線).

• 東とう京きょうには環かん状じょう道どう路ろがいくつかある。