"major collision" is a correct and usable phrase in written English.
You could use it any time you want to describe a serious collision or accident. For example, "The highway was closed for several hours after a major collision involving three vehicles."
But few deny that if it does come to power, Athens appears headed towards a major collision with its partners.
These indicate the time since Tissint was knocked off Mars, or at least since its most recent major collision.
In between, he broke his engagement with Regine Olsen, thus initiating the second major collision of his life.
But Boehner suggested that the vexed issue of immigration would result the first major collision between the parties after the midterms.
Instead of a comet shower, the researchers say, the event causing the dusty conditions was probably a major collision in the asteroid belt.
This might be a subject on her mind because she's been wrestling, of late, with a fairly major collision between the worlds of the niche and the mainstream.
Periods of deformation associated with major collisions cannot be directly dated if no new minerals have formed.
Chronic traumatic encephalopathy, or C.T.E., is the name for a condition that is believed to result from major collisions — or from the accumulation of subconcussions that are nowhere near as noticeable, including those incurred in practice.
Our inversion results can perfectly characterize its movement features, including three stages of the landslide divided by two major collisions.
There are two major collisions between active volcanic arcs carried by the PSP and the adjacent margins.
Surprisingly, 85% of the active galaxies were classified as not being strongly distorted, suggesting that they hadn't experienced major collisions or mergers in their recent past.
