collision
noun
[ kəˈlɪʒ(ə)n ]
• an instance of one moving object or person striking violently against another.
• "a mid-air collision between two aircraft"
Similar:
crash,
accident,
bump,
knock,
impact,
hit,
strike,
clash,
smash,
RTA (road traffic accident),
wreck,
smash-up,
pile-up,
prang,
shunt,
• an instance of two or more records being assigned the same identifier or location in memory.
Origin:
late Middle English: from late Latin collisio(n- ), from Latin collidere ‘strike together’ (see collide).