Meaning & Definition of word "Basalt"

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    Basalt

    /bəˈsɔlt/

    noun:

    • 1. A dark, fine-grained volcanic rock that is relatively low in silica and constitutes the main type of oceanic crust.
      • Example: The island's rugged landscape is primarily formed from basalt, resulting from ancient volcanic activity.
    • 2. A type of igneous rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.
      • Example: The moon's maria are largely composed of basalt, giving them their darker appearance compared to the highlands.
    • 3. A solidified lava that exists in various textures and forms, commonly found in regions with volcanic history.
      • Example: Geologists often study basalt samples to understand the geological history of volcanic regions.

    Etymology

    From Latin 'basalts', a type of stone.

    Common Phrases and Expressions

    basalt column:

    A formation of basalt that is hexagonally shaped typically found in places where lava cools.

    basalt plateau:

    A flat expanse of land formed by solidified basalt lava.

    Related Words

    lava:

    Liquid magma that erupts from a volcano.

    igneous:

    Relating to rocks formed from cooled magma or lava.

    Slang Meanings of basalt

    Meaning: Basalt is sometimes used to refer to something that is extremely solid or tough.

    Example Sentence: This guy's as solid as basalt when it comes to handling pressure.