supercollision
scattering
recollision
coannihilation
collisionality
nuclear response function
Kessler syndrome
collision
subevent
pp
ppbar
intermolecular force
collisionlessness
percussion
rain
spallation
collision course
collision theory
procoagulation
hadron
fulmination
bump
fallout
colliding
superscattering
coming together
impact
collider
bird strike
nanointeraction
fundamental interaction
diaspora
heteronucleation
rapid unplanned disassembly
electrino
chemical bond
resonance
fragmentation
particle mechanics
decollimation
hit
proton accelerator
static friction
clashing
affinity
spike attack
microviscosity
explodium
tribonucleation
debunching