plural in form but singular or plural in construction
: material thrown out (as from a volcano)
Examples of ejecta in a Sentence
Recent Examples on the Web
Both can be found below the bright impact ejecta thrown out in the creation of the Kepler Crater to the north and to the right of the Flamsteep P formation.
—
Anthony Wood, Space.com, 20 July 2025
The entrances appear filled with dirt, and ejecta from MOP impacts is visible in multiple locations.
—Jesus Mesa, MSNBC Newsweek, 27 June 2025
New research suggests that if such an impact were to occur, ejecta blasted from the moon could damage satellites orbiting Earth.
—Robert Lea, Space.com, 11 July 2025
An asteroid strike would cause ejecta to impact a wide area of the lunar surface, potentially threatening astronauts or a potential lunar base.
—Jamie Carter, Forbes.com, 24 June 2025
See All Example Sentences for ejecta
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Anthony Wood, Space.com, 20 July 2025
The entrances appear filled with dirt, and ejecta from MOP impacts is visible in multiple locations.
—Jesus Mesa, MSNBC Newsweek, 27 June 2025
New research suggests that if such an impact were to occur, ejecta blasted from the moon could damage satellites orbiting Earth.
—Robert Lea, Space.com, 11 July 2025
An asteroid strike would cause ejecta to impact a wide area of the lunar surface, potentially threatening astronauts or a potential lunar base.
—Jamie Carter, Forbes.com, 24 June 2025
See All Example Sentences for ejecta
Cite this Entry
“Ejecta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ejecta. Accessed 24 Aug. 2025.
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