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Definitions

obsidian

[uhb-sid-ee-uhn] / əbˈsɪd i ən /






NOUN
lava
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

From precolonial Mexico we discover obsidian mirrors used for divination in Mayan and Aztec ceremonies.

From The Wall Street Journal • Jan. 16, 2026

The shards, or clasts, have a glassy luster, making them look a lot like obsidian, a glass formed from lava when it cools very quickly.

From Salon • Mar. 4, 2025

One gem is thought to be a rare, 2nd Century head of the Greek hero Hercules made from obsidian, a type of volcanic glass.

From BBC • May 27, 2024

The Cahuilla also charted trade corridors reaching from the Colorado River to the shores of the Pacific, where coastal tribes traded shell jewelry for obsidian tools and animal skins from the interior.

From Los Angeles Times • Apr. 28, 2024

Deep claw marks gouged the obsidian stage where we’d just been standing.

From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia