obsidian
a hard, dark, glass-like volcanic rock formed by the rapid solidification of lava
Obsidian in a sentence
Here is an example sentence showing obsidian in a sentence.
The ancient arrowhead was crafted from obsidian, chipped to a razor-sharp edge.
None listed.
More GRE words starting with O
a stupid, clumsy, or boorish person
stubbornly refusing to change one's mind or course of action
a gesture or attitude of deep respect or submission
showing deferential respect or submissive obedience
a tapering stone pillar with a pyramidal top, typically erected as a monument
grossly overweight to a degree that poses a health risk
to make something deliberately unclear or confusing
the act of making something deliberately unclear or confusing
Questions about “obsidian”
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