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tephra - 3 dictionary results
teph⋅ra
[tef-ruh] 
–noun (used with a plural verb
)
) | clastic volcanic material, as scoria, dust, etc., ejected during an eruption. |
Origin:
1960–65; < Gk téphra (sing.) ashes
1960–65; < Gk téphra (sing.) ashes
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To tephra
| teph·ra (těf'rə) n. Solid matter that is ejected into the air by an erupting volcano. [Greek tephrā, ash; see dhegwh- in Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
| tephra (těf'rə) Pronunciation Key
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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
