General physical ring-shaped object, band, or rim. Used in everyday contexts.
She wears a silver ring on her finger.
The rim of this bottle is loose.
Technical term in mathematics (algebraic ring) and chemistry (cyclic structure).
The set of all integers is an example of a ring.
A benzene ring consists of six carbon atoms.
circum-; ring-shaped
Prefix used in compounds to mean 'circum-' or 'ring-shaped', e.g., 環状 (かんじょう, ring-shaped), 環境 (かんきょう, environment).
Earthquakes are frequent in the circum-Pacific region.
I went around the city on the loop line.
Education becomes a link that supports society.
The mountains form a ring encircling the city.