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’.

词汇	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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