ejecta

noun

ejec·​ta i-ˈjek-tə How to pronounce ejecta (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The volcanic gas and ejecta hazards west of the erupting vents stress the hazardous nature of this closed area of Kīlauea's summit. Rebecca Falconer, Axios, 24 Dec. 2024 Rather than a simple cone of material, there were filaments and clumps of ejecta, all moving at different speeds. John Timmer, Ars Technica, 28 Feb. 2024 In recent years, scientists have proposed an even more outlandish explanation: The plumes are hydrothermal ejecta from an underground ocean. Shi En Kim, Smithsonian Magazine, 5 Nov. 2024 Paul Chodas, director of the Center for Near Earth Object Studies at NASA’s Jet Propulsion Laboratory, said 2024 PT5 is possibly a piece of ejecta from an impact on the moon, meaning the mini-moon may have originated as a piece of the original moon, according to the New York Times. Rebecca Schneid, TIME, 18 Sep. 2024 See all Example Sentences for ejecta 

Word History

Etymology

New Latin, from Latin, neuter plural of ejectus

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of ejecta was in 1886

Dictionary Entries Near ejecta

Cite this Entry

“Ejecta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ejecta. Accessed 11 Jan. 2025.

Medical Definition

ejecta

noun
ejec·​ta i-ˈjek-tə How to pronounce ejecta (audio)
: matter (as vomit) ejected from the body
Last Updated: - Updated example sentences
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