astrobleme

noun
as·tro·bleme | \ˈastrəˌblēm\
plural -s

Definition of astrobleme 

: a scar on the earth's crust made by the impact of a meteorite

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First Known Use of astrobleme

1960, in the meaning defined above

History and Etymology for astrobleme

astr- + Greek blēma throw, missile, wound from a missile, from ballein to throw

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The first known use of astrobleme was in 1960

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