[ ih-jek-tuh ]
/ ɪˈdʒɛk tə /

noun (used with a singular or plural verb)

matter ejected, as from a volcano in eruption.

Nearby words

  1. ejaculator,
  2. ejaculatory,
  3. ejaculatory duct,
  4. ejaculatory incompetence,
  5. eject,
  6. ejection,
  7. ejection capsule,
  8. ejection fraction,
  9. ejection murmur,
  10. ejection period

Origin of ejecta

1885–90; neuter plural of Latin ējectus. See eject

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ejecta

British Dictionary definitions for ejecta


/ (ɪˈdʒɛktə) /

pl n

matter thrown out of a crater by an erupting volcano or during a meteorite impact

Word Origin for ejecta

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

Medicine definitions for ejecta


[ ĭ-jĕktə ]


Something that has been ejected from the body.ejection

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ejecta


[ ĭ-jĕktə ]

Ejected matter, especially from an erupting volcano. Volcanic ejecta usually includes volcanic glass, ash, and rock fragments.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.