Definition of obsidian
: a dark natural glass formed by the cooling of molten lava
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Recent Examples of obsidian from the Web
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But none seems better equipped to manage summer's onslaught than Carricante, grown mostly on the eastern slopes of Mt. Etna, facing the sea, where the soils are studded with obsidian.
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But Brooks says the presence of obsidian also means that the inhabitants of BOK-2 were probably trading with people closer to the obsidian deposits, not just walking for days to pick up some rocks and then walk home again.
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The toolmakers were highly selective about their raw materials, importing obsidian from up to 90 kilometers away.
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Afterwards, the early humans living in the area traded for sharp, strong obsidian and made delicate tools and spear heads.
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Analysis showed much of the obsidian was from places about 15 miles to 30 miles (25 to 50 kilometers) away in five different directions.
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Half of the ballroom gleamed ivory, silver and gray while the other half was a exquisite nightmare in ebony, obsidian and onyx.
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None was asked to address the ocean of obsidian surrounding them.
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The tall flow of black obsidian is in stark contrast to the blue lakes and lush green forest that surrounds it.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'obsidian.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
OBSIDIAN Defined for English Language Learners
Definition of obsidian for English Language Learners
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: a dark natural glass that forms when lava cools
OBSIDIAN Defined for Kids
Definition of obsidian for Students
: a smooth dark rock formed by the cooling of lava
Learn More about obsidian
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See words that rhyme with obsidian Britannica.com: Encyclopedia article about obsidian
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