astrobleme

[ as-truh-bleem ]
/ ˈæs trəˌblim /

noun Geology.

an erosional scar on the earth's surface, produced by the impact of a cosmic body, as a meteorite or asteroid.Compare crater(def 2).

Origin of astrobleme

1965–70; < astro- + -bleme (< Greek blêma shot, wound)
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British Dictionary definitions for astrobleme

astrobleme

/ (ˈæstrəˌbliːm) /

noun

a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact

Word Origin for astrobleme

C20: from astro- + Greek blēma shot, wound
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