scoria
- noun
- /ˈskoʊriə/
- Specialized
:
piedra pómez
- As we hiked up the volcano, the ground was covered in scoria, making it difficult to maintain our footing.
- red scoria
Examples
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I found some scoria while hiking near Mount St. Helens.
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The hillside was covered with black scoria from the ancient eruption.
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Builders sometimes use scoria as a lightweight material in construction projects.
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After the volcano erupted, a thick layer of scoria blanketed the surrounding fields.
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The scoria from the volcano was scattered across the landscape.
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The landscaper chose scoria for the garden pathway because of its lightweight and porous nature.
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In the construction of lightweight concrete, scoria is often used as an aggregate due to its unique properties.
How Porous
Surface Forms
Etymology
The word scoria comes from the Latin scoria, which meant 'dross' or 'waste'. People used that name for the rough, dark volcanic rock because it looks like light, glassy waste full of holes, so scoria now means that kind of lava rock.