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单词 Plinian
释义

Definition of Plinian in English:

Plinian

adjective ˈplɪnɪənˈplīnēən
Geology
  • Relating to or denoting a type of volcanic eruption in which a narrow stream of gas and ash is violently ejected from a vent to a height of several miles.

    Example sentencesExamples
    • Plinian eruptions are marked by columns of smoke and ash extending high into the stratosphere.
    • Plinian eruptions are those that are dominated by a plume of hot gas and ash.
    • Large plinian eruptions sometimes result in the withdrawal of so much magma from below a volcano that part of it collapses to form a large depression called a caldera.
    • The June 1991 Mount Pinatubo eruption produced voluminous pyroclastic flows and a major Plinian umbrella cloud during its paroxysmal phase.

Origin

Mid 17th century: from Italian pliniano, with reference to the eruption of Vesuvius in ad 79, in which Pliny the Elder died.

 
 

Definition of Plinian in US English:

Plinian

adjectiveˈplīnēən
Geology
  • Relating to or denoting a type of volcanic eruption in which a narrow stream of gas and ash is violently ejected from a vent to a height of several miles.

    Example sentencesExamples
    • Plinian eruptions are those that are dominated by a plume of hot gas and ash.
    • Plinian eruptions are marked by columns of smoke and ash extending high into the stratosphere.
    • The June 1991 Mount Pinatubo eruption produced voluminous pyroclastic flows and a major Plinian umbrella cloud during its paroxysmal phase.
    • Large plinian eruptions sometimes result in the withdrawal of so much magma from below a volcano that part of it collapses to form a large depression called a caldera.

Origin

Mid 17th century: from Italian pliniano, with reference to the eruption of Vesuvius in AD 79, in which Pliny the Elder died.

 
 
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更新时间:2025/1/11 9:18:11