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ejecta

[ih-jek-tuh] /ɪˈdʒɛk tə/
noun, (used with a singular or plural verb)
1.
matter ejected, as from a volcano in eruption.
Origin
1885-1890
1885-90; neuter plural of Latin ējectus. See eject
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for ejecta
  • They have punched through the ejecta blanket and so must have appeared after the formation of the large crater.
  • The size of the proto-solar system and its distance from the explosion determine how much of that radioactive ejecta mingles in.
  • Um, by way of less harmful and even beneficial organic ejecta during the late heavy bombardment, for example.
  • At bottom is the area covered by ejecta, or material blasted into the air.
  • Craters and debris, called ejecta, from millions of years ago are still crystal-clear on the moon's surface.
  • Known as ejecta rays, these features are more often seen on other planets and moons with thin atmospheres.
  • The surface ejecta became a ring around the planet that coalesced into the moon.
  • The ejecta travel through the atmosphere and may reach escape velocity.
  • Also, the area around the lake shows no signs of an ejecta blanket.
  • The total volume of the ejecta can be estimated by multiplying the magma discharge rate by the duration of the eruption.
British Dictionary definitions for ejecta

ejecta

/ɪˈdʒɛktə/
plural noun
1.
matter thrown out of a crater by an erupting volcano or during a meteorite impact
Word Origin
C19: Latin, literally: (things) ejected; see eject
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ejecta in Medicine

ejecta e·jec·ta (ĭ-jěk'tə)
n.
Something that has been ejected from the body. Also called ejection.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ejecta in Science
ejecta
  (ĭ-jěk'tə)   
Ejected matter, especially from an erupting volcano. Volcanic ejecta usually includes volcanic glass, ash, and rock fragments.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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