sandstone
noun
a common sedimentary rock consisting of sand, usually quartz, cemented together by various substances, as silica, calcium carbonate, iron oxide, or clay.
sandstones
-
pluralof sandstone.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Sedimentary rocks like sandstones form when preexisting rocks break down into bits that pile up and stick together to form a new rock.
From National Geographic ● Oct. 12, 2023
The buried monument is two large sandstones with "cup marks" cut into their upper surfaces dating back to the Bronze Age.
From BBC ● Aug. 30, 2023
During our dawn scramble across the rocks, we had spotted numerous coal beds sandwiched between the sandstones and mudstones in the lower rock levels.
From Scientific American ● Jul. 6, 2022
At Aniakchak, he is most interested in the gray mudstones and yellowish sandstones stacked on each other like layers of a cake.
From Washington Post ● Jul. 23, 2021
Their bodies worked rhythmically back and forth, and the sandstones produced a series of harsh, grating screeches that caused icy trickles to run down Ranofer’s spine and set his teeth to aching.
From "The Golden Goblet" by Eloise Jarvis McGraw
