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单词 tephra
释义

Definition of tephra in English:

tephra

noun ˈtɛfrəˈtefrə
mass nounGeology

  • Rock fragments and particles ejected by a volcanic eruption.

    〔地质〕火山灰

    Example sentencesExamples
    • Any such lateral motions could contribute to the absence or thinness of distal marine tephra layers on submarine high points or steep slopes.
    • Some reports are stating that that tephra rim could collapse later this year.
    • Southwesterly winds carried the tephra northeast and destroyed a few tens of farms.
    • Two types of tephra fallout deposits have been observed.

Origin

1940s: from Greek, literally 'ash, ashes'.

Definition of tephra in US English:

tephra

nounˈtefrə
Geology

  • Rock fragments and particles ejected by a volcanic eruption.

    〔地质〕火山灰

    Example sentencesExamples
    • Two types of tephra fallout deposits have been observed.
    • Any such lateral motions could contribute to the absence or thinness of distal marine tephra layers on submarine high points or steep slopes.
    • Southwesterly winds carried the tephra northeast and destroyed a few tens of farms.
    • Some reports are stating that that tephra rim could collapse later this year.

Origin

1940s: from Greek, literally ‘ash, ashes’.
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更新时间：2024/11/9 0:17:26