basalt

noun

: a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
basaltic adjective

Examples of basalt in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Set in caves, perching on cliffs, or carved into basalt, these spiritual sites span many faiths and locations. Katherine McLaughlin, Architectural Digest, 23 Dec. 2024 The job consisted mostly of moving basalt from one place to another. Jonah Walters, Longreads, 24 Oct. 2024 First, they were made of basalt, rather than flint — a standard material for chopping tools such as axe heads from that same era. Paul Smaglik, Discover Magazine, 8 Jan. 2025 Beside each tree, Beuys erected a basalt stone pillar drawn from a pile placed in front of the Fridericianum, Kassel’s main museum. Red Cameron, Artforum, 1 Jan. 2025 See all Example Sentences for basalt 

Word History

Etymology

Latin basaltes, manuscript variant of basanites touchstone, from Greek basanitēs (lithos), from basanos touchstone, from Egyptian bḫnw

First Known Use

1601, in the meaning defined above

Time Traveler
The first known use of basalt was in 1601

Dictionary Entries Near basalt

Cite this Entry

“Basalt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/basalt. Accessed 30 Jan. 2025.

Kids Definition

basalt

noun
: a dark gray to black usually fine-grained igneous rock
basaltic adjective

More from Merriam-Webster on basalt

Last Updated: - Updated example sentences
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