collision
noun
the act of colliding; a coming violently into contact; crash.
collisional
-
a word derived from
collision.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Because it uses a gas of atoms, effects such as Doppler broadening, collisional broadening, and averaging across many atoms can blur the signal.
From Science Daily ● Apr. 17, 2026
In this approach, pebbles in a protoplanetary disk bypass the collisional bottleneck by settling into self-gravitating clouds, rapidly compressing under their own weight to directly collapse into planetesimals.
From Scientific American ● Feb. 20, 2020
Sochi is one of several venues with this collisional aesthetic.
From The Guardian ● May 20, 2018
The eroded remains of the collisional mountains formed on Pangea are still in existence today as the Appalachian, Alleghanian, Scandinavian, Marathon, and Ouachita Mountain ranges.
From Textbooks ● Jan. 1, 2017
The orbits of the present planets are the orbits of the survivors of this collisional natural selection, the stable middle age of a solar system dominated by early catastrophic impacts.
From "Cosmos" by Carl Sagan
