asphaltum
- noun
- /æˈsfɔltəm/
- Archaic
- Erlandson picks up black chunks of asphaltum, a natural tar, some with basketry impressions.
Examples
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The museum displayed a sample of asphaltum that had been used in the construction of historical buildings.
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In ancient times, asphaltum was used for waterproofing boats and sealing containers.
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The archaeologists discovered a layer of asphaltum beneath the soil, indicating the area had been inhabited for centuries.
Synonyms
A dark sticky material used to make roads and keep roofs dry
A thick black sticky substance used to make roads and roofs waterproof
A natural black material like tar used to make roads and inks
Hard black organic material in rock that forms when natural oil is heated
A thick black sticky material made from oil and rocks used to make roofs waterproof and stop rust
Surface Forms
Etymology
Asphaltum traces back to asphalt and Greek asphaltos, meaning 'secure', which people used for a natural, tar-like substance found in the ground. So asphaltum means the natural bit of tar or petroleum residue that appears in seeps and lakes.