Synonyms

ejecta

American

[ih-jek-tuh] / ɪˈdʒɛk tə /

noun

(used with a singular or plural verb)

matter ejected, as from a volcano in eruption.

ejecta British

/ ɪˈdʒɛktə /

plural noun

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

"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

ejecta Scientific

/ ĭ-jĕk′tə /

Ejected matter, especially from an erupting volcano. Volcanic ejecta usually includes volcanic glass, ash, and rock fragments.

Etymology

Origin of ejecta

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Seeing exactly how the ejecta blast outward and interact is key to explaining how shock waves form in novae.

From Science Daily

What Enceladus does is akin to a volcano hurling lava into space -- except the ejecta are plumes of water vapor and ice.

From Science Daily

“They are able to show that ejecta from a crater the size of the Giordano Bruno … could survive for a long enough timescale in a co-orbital zone around Earth.”

From Science Magazine

It was long thought that high-speed collisions pulverized the comet ejecta, but now a 45-member team of researchers reports, in a paper published online in the journal Icarus this week, that heat is to blame.

From Science Daily

"To create these ions that we observed in the ejecta, it was clear that there had to be a source of high-energy radiation in the center of the SN 1987A remnant," Fransson said.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023