The backpack has two D-rings for attaching extra gear.

The mineral is composed of ring silicates.

Her statement rings true.

Her words are ringing true.

Dedekind rings are integral domains that satisfy certain properties.

A Dedekind ring is a commutative ring in which every nonzero proper ideal factors into a product of prime ideals.

I bought several product rings for my jewelry collection.

The product ring is a fundamental concept in mathematics.

The ring-shaped cake was beautifully decorated.

Quotient rings are an important concept in abstract algebra.