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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

“All is fair where you wear the crown,” snipes Gal Gadot’s evil queen, who wears slinky ballgowns made of obsidian shards that clatter and clank with every step.

From Los Angeles Times • Mar. 19, 2025

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 golden dust of the spider settled on the obsidian rocks.

From "The House of Hades" by Rick Riordan