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tephra
[ tef-ruh ]
noun
, (used with a plural verb)
- clastic volcanic material, as scoria, dust, etc., ejected during an eruption.
tephra
/ ˈtɛfrə /
noun
- solid matter ejected during a volcanic eruption
tephra
/ tĕf′rə /
- Solid matter, such as ash, dust, and cinders, that is ejected into the air by an erupting volcano. Tephra is a general term for all pyroclastic materials ejected from a volcano.
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Word History and Origins
Origin of tephra1
First recorded in 1960–65, tephra is from the Greek word téphra (singular) ashes
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Word History and Origins
Origin of tephra1
C20: Greek, literally: ashes
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