Mt. St. Helens

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Definition

Proper noun: - An active stratovolcano: A specific, named volcano located in the Cascade Range of the Pacific Northwest, United States. It is famous for its catastrophic and scientifically significant eruption in the late 20th century.

Usage Examples
  • Proper noun:
    • The 1980 eruption of Mt. St. Helens dramatically changed the landscape.
    • Scientists closely monitor Mt. St. Helens for seismic activity.
    • We could see the plume of steam rising from the crater of Mt. St. Helens.
Advanced Usage

  • "the Mt. St. Helens eruption": Used to specifically refer to the major volcanic event of May 18, 1980.

    • The Mt. St. Helens eruption was the deadliest and most economically destructive volcanic event in U.S. history.

  • "Mt. St. Helens National Volcanic Monument": Refers to the protected area established around the volcano after the eruption for research, recreation, and education.

    • The visitor center at the Mt. St. Helens National Volcanic Monument explains the geology of the event.
Variants and Related Words
  • Mount Saint Helens: A less common but equally correct full spelling of the volcano's name.
  • St. Helens: An informal, shortened reference sometimes used in context.
  • The volcano: When the context is clear, it may be referred to generically.
Synonyms
  • Volcano: A general term for a vent in the earth's crust through which lava, ash, and gases are expelled. (Mt. St. Helens is a specific instance of a volcano.)
  • Stratovolcano: A type of volcano built up by many layers of hardened lava and ash. (This describes the geological classification of Mt. St. Helens.)
Related Phrases

  • To erupt like Mt. St. Helens: An idiomatic expression used to describe something happening with sudden, violent, and catastrophic force.

    • The political scandal erupted like Mt. St. Helens, shocking the entire nation.

  • Blown top (like Mt. St. Helens): An informal idiom meaning to lose one's temper violently or for a catastrophic event to occur.

    • When he saw the mistake, he blew his top like Mt. St. Helens.
Noun
  1. an active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity

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