Search
Limestone
01
a hard gray or white rock that contains calcium and is used for making cement or as a building material
Example
The limestone matrix contained fossil fragments.
Over time, the constant flow of water had trenched a winding path through the limestone cave.
Acid rain can decompose limestone statues and buildings over time.
Explorers discovered a large geode in a limestone cave, revealing intricate crystal formations within its hollow cavity.
The limestone rock formation is gradually carbonated over time through a process of reacting with atmospheric carbon dioxide.