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 Each honors the character of this former island mansion with its basalt stone arches, terracotta tiles and furniture carved from island cryptomeria. Katie Jackson, Robb Report, 20 June 2024 The team also discovered a second new species: the basalt dwarf gecko. Aspen Pflughoeft, Miami Herald, 10 June 2024 It has been discovered that one kind of stone, basalt, is used. Mark Fischetti, Scientific American, 14 May 2024 Why is this region located on the near side, while the far side is lacking in KREEP and ilmenite-rich basalts? Elizabeth Rayne, Ars Technica, 11 May 2024 See all Example Sentences for basalt 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'basalt.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 7 Jul. 2024.

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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