as·tro·bleme 
(ăstrə-blēm′)
(ăstrə-blēm′)n.
A scar on the earth's surface left from the impact of a meteorite.
[ASTRO- + Greek blēma, missile, wound (from ballein, to throw; see gwelə- in the Appendix of Indo-European roots).]
- contredance
- contredanse
- contretemps
- contribute
- contribution
- contributive
- contributively
- contributor
- contributory
- contrite
- contritely
- contriteness
- contrition
- contrivance
- contrive
- contrived
- contrivedly
- contriver
- control
- control freak
- control key
- controllability
- controllable
- controllably
- controlled substance