The paleontologist carefully documented the fossilized bird's sclerotic rings to determine its size and age.

The old pier's mooring rings were corroded, so we replaced them before the storm.

Many algebraists study Kummer rings because they reveal deep number-theoretic properties.

On the day of the ceremony, they exchanged wedding rings beneath an arch of white roses.

At dawn, the archaeologists gathered around the Devil's Rings to take measurements and search for evidence of ancient Druidic rituals.

I bought a set of egg rings to make perfectly round fried eggs for breakfast.

The mathematician explained how the Borromean rings illustrate nontrivial linking in topology.

The technician tightened the cramp rings around the pipe to stop the leak.

She inherited three vintage diamond rings from her grandmother last spring.

Researchers counted the annual rings to determine the tree's age.