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