concretion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Farrell is scouring 158 years of “concretion” from one of history’s most famous weapons.

From Washington Post

Rock formations called concretions hid the fossils inside, like chocolate tucked in a candy shell.

From Washington Post

But on a return trip, he split open small boulders called concretions—and found dozens of skulls.

From Science Magazine

There, he had learned to spot certain rocks called concretions that held fossils captive, like pearls in oysters.

From New York Times

Egg-shaped rocks called concretions that over time formed concentrically around some kind of nucleus - in this case mammal skulls - provided a bonanza.

From Reuters