supercollision
nounEtymology From super- + collision.
1
A very powerful or large-scale collision.
- Is it possible that the majority of asteroids were born is ^([sic]) this very supercollision that created the moon?1994, Alexei V. Byalko, Nuclear Waste Disposal: Geophysical Safety, volume 1, page 165:
2
Natural sciences, Physical sciences, Physics The kind of high-energy collision that occurs in a supercollider.
3
Natural sciences, Physical sciences, Physics The simultaneous collision of three or more particles.