English · Nature & Environment
rock
/rɒk/
[/rɒk/]
hard mineral mass
Beginnernoun
Definition
The hard, solid material that forms part of the earth's surface, or a piece of it.
Example
Waves crashed against the dark rock at the base of the towering sea cliff.
Waves crashed against the dark rock at the base of the towering sea cliff.
Etymology
From Old French 'roque', from Medieval Latin 'rocca'.
How & Where It’s Used
Common in geology and everyday speech.