Share this entry

astrobleme Syllabification: as·tro·bleme
Pronunciation: /ˈastrəˌblēm/

Definition of astrobleme in English:


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.


Mid 20th century: from Greek astron 'star' + blēma 'wound'.

Definition of astrobleme in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coiffeur
Pronunciation: kwɑːˈfəː
a hairdresser