Thesaurus.com
Dictionary.com
Showing results for obsidian. Search instead for obsidi.
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

We plodded through an obsidian darkness, one deliberate step at a time, our headlamp beams illuminating the way.

From Los Angeles Times • Mar. 25, 2024

Brian helped me with it, and together we found garnets and granite and obsidian and Mexican crazy lace, and more and more turquoise.

From "The Glass Castle" by Jeannette Walls