plural in form but singular or plural in construction
: material thrown out (as from a volcano)
Examples of ejecta in a Sentence
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First, there are the concentric circle features, which look like wispy shells of ejecta blown off of the star.
—
Big Think, 11 Feb. 2026
Нe used a triangulation method, identifying distinctive features in Luna 9’s original 1966 ground-level panoramas—two distant hills, specific boulders and an ejecta streak—and matched them with topographic data from the LRO’s laser altimeter.
—Ilya Ferapontov, Scientific American, 5 Feb. 2026
As the explosion grew larger and smacked into nearby matter, the shape started flattening while the ejecta’s axis of symmetry remained stable.
—Andrew Paul, Popular Science, 13 Nov. 2025
However, the axis of symmetry of the ejecta stayed the same.
—Chris Young, Interesting Engineering, 13 Nov. 2025
See All Example Sentences for ejecta
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Big Think, 11 Feb. 2026
Нe used a triangulation method, identifying distinctive features in Luna 9’s original 1966 ground-level panoramas—two distant hills, specific boulders and an ejecta streak—and matched them with topographic data from the LRO’s laser altimeter.
—Ilya Ferapontov, Scientific American, 5 Feb. 2026
As the explosion grew larger and smacked into nearby matter, the shape started flattening while the ejecta’s axis of symmetry remained stable.
—Andrew Paul, Popular Science, 13 Nov. 2025
However, the axis of symmetry of the ejecta stayed the same.
—Chris Young, Interesting Engineering, 13 Nov. 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 11 Feb. 2026.
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