Astrobleme
an erosional scar on the earth’s surface, produced by the impact of a cosmic body, as a meteorite or asteroid.
Compare (def 2).
noun
a mark on the earth’s surface, usually circular, formed by a large ancient meteorite impact
n.
1961, from astro- + Greek bleme “throw of a missile; wound caused by a missile,” from ballein “to throw” (see ballistics).
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