See Also: collision(dictionary)
collision(dictionary)
Collision(medicine)
coulomb collision(medicine)
collision tumour(medicine)
collision time(medicine)
collision theory(medicine)
collision frequency(medicine)
collision cross-section(medicine)
effective collision radius(medicine)

collision (iou)



collision noun. LME.
[Late Latin collisio(n-), from collis- pa. ppl stem of collidere COLLIDE verb: see -ION.]
The action of striking against something with force; the action or an act of colliding; (a) violent encounter of a moving body, esp. a ship or vehicle, with another or with a fixed object. LME.
E. Rutherford The number of collisions of the particle with the atom. J. Wain His head came into painful collision with a wooden crate. M. Shadbolt His brakes squealed, to avoid a collision with a truck.
b. Computing. An instance of two or more records being assigned the same location in memory. Also, an instance of different sources or nodes attempting to send a signal simultaneously along a shared line. M20.
a. Synaeresis of two vowels. M16-L17.
b. Dissonant conjunction of speech sounds. M17.
fig. The encounter of opposed ideas, interests, factions, etc.; a clash, a conflict. M17.
b. The action of coming into contact (with no notion of violence or hostility); coincidence, conjunction. Now rare or obsolete. M17.
S. Johnson By the fortuitous collision of happy incidents.
Comb.: collision bulkhead a strong watertight bulkhead built in the bows of a ship to prevent flooding after a collision; collision course a course or action bound to end in a collision (lit. & fig.); collision-mat Nautical a mat with oakum on one face for putting over a hole made by a collision; collision quarters, collision stations pre-assigned positions to be taken up by the crew and passengers of a ship etc. in the event of a collision.
collisional adjective pertaining to or resulting from collision, esp. of microscopic particles L19.
collisionally adverb M20.
collisionless adjective M20.