astrobleme

[ as-truh-bleem ]

noun

, Geology, Astronomy.

1. an erosional scar on the earth's surface, produced by the impact of a cosmic body, as a meteorite. Compare crater ( def 1a ).

astrobleme

/ ˈæstrəˌbliːm /

noun

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

Word History and Origins

Origin of astrobleme¹

First recorded in 1965–70; astro- + -bleme (from Greek blêma “shot, wound”)

Word History and Origins

Origin of astrobleme¹

C20: from astro- + Greek blēma shot, wound