COLLIDING
Verb
colliding
present participle of collide
Noun
colliding (plural collidings)
A collision.
Source: Wiktionary
COLLIDE
Col*lide", v. i. Etym: [L. collidere, collisum; col- + laedere to
strike. See Lesion.]
Definition: To strike or dash against each other; to come into collision;
to clash; as, the vessels collided; their interests collided.
Across this space the attraction urges them. They collide, they
recoil, they oscillate. Tyndall.
No longer rocking and swaying, but clashing and colliding. Carlyle.
Col*lide", v. t.
Definition: To strike or dash against. [Obs.]
Scintillations are . . . inflammable effluencies from the bodies
collided. Sir T. Browne.
Source: Webster’s Unabridged Dictionary 1913 Edition