hard rocks
- plural of hard rock.
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.
"It turns out, these processes not only slowly dissolve hard rocks into regolith, a layer of fine grains or powder as found on the Moon," explains Zieba.
From Science Daily ● May 5, 2026
It might seem an improbable proposition, turning cold, hard rocks into comfortable and inviting furniture, translating rough stone into cushiony sofas and stools, rethinking rubble as accent tables with enough polish to occupy living rooms.
From New York Times ● Apr. 11, 2023
"Then we found really hard rock that we couldn't drill into, so we gave up. Jezero is going to have hard rocks and soft rocks."
From Salon ● Aug. 26, 2021
The deep shale, limestone and other hard rocks had potential, but for years they had not been considered economically viable.
From New York Times ● Mar. 23, 2012
It sounded as though a lawn-mower was being driven over hard rocks.
From "Boy: Tales of a Childhood" by Roald Dahl
