Definition of astrobleme in English:

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astrobleme

Pronunciation: /ˈastrəʊbliːm/

noun

Geology
An eroded remnant of a large crater made by the impact of a meteorite or comet.
Example sentences
  • Large craters, called astroblemes, are frequently hidden by the earth's own natural processes.
  • Although relatively young meteorite impact craters have been identified in Argentina and Chile, these two Brazilian structures are the first ancient astroblemes to be reported from South America.
  • Dating back 2.023 million years, the Dome is the oldest astrobleme still visible on earth and site of the world's greatest known single energy release.

Origin

1960s: from Greek astron 'star' + blēma 'wound'.

For editors and proofreaders

Line breaks: astro|bleme

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