No the word colliding is not a noun.
Colliding is a the present participle verb of collide.
Yes, the noun 'accident' is an abstract noun, a word for a concept.
collide: Two football players collided on the field.
The term for colliding is simply collision
The term for colliding is simply collision
Spirits Colliding was created in 1995.
The correct spelling is "colliding" (hit with force, conflict).
Colliding Branes was created in 2009-02.
Colliding plates cause mountain ranges to grow.
Two Worlds Colliding was created in 2004.
What you did to avoid colliding with other boats
Force of gravity is what keeps the planets form colliding.
The type of mountain that is formed by colliding continents is the upward mountain.