The phrase "as a crater" is correct and usable in written English.
It can be used in contexts where you are making a comparison or describing something that resembles or functions like a crater.
Example: "The impact of the meteor left the landscape scarred, as a crater would after a violent collision."
Alternatives: "like a crater" or "similar to a crater".
I felt the hole with my tongue — it seemed as large as a crater.
In previous studies, experiments have been conducted by Ueda et al. and the surface after the laser irradiation had the geometry as a crater with a center cone.
Changbai Mountains Natural Reserve, established in 1960, covers some 850 square miles (2,200 square km) and contains a great diversity of vegetation and wildlife, as well as a crater lake, a high waterfall, and hot springs.
Scotland weren't so much in a hole against Samoa as a crater.
NASA scientists have yet to decide on the exact landing sites, but Mars program scientist Jim Garvin says areas that might have contained large bodies of standing water--such as a crater called Holden--are strong candidates.
In astronomy a main belt asteroid discovered in 1884 was named after her, as well as a crater on the Moon.
The camera has produced images of recently formed water-carved structures, and MOLA, which works by bouncing beams of light off the planet's surface, has found mountains twice as high as Everest, a crater ten kilometres deep, and huge valleys carved by more water than scientists believed had ever existed on Mars.
When Sprague exited the scene it left behind empty buildings scattered about the town as well as a crater-sized well of unemployment.Post-Sprague, the story becomes more inspiring.
Thick slabs of asphalt tilted into a crater as big as a swimming pool, and on the far rim sat the frame of an exploded truck.
This will, they calculate, produce a crater as big as a football field and deep enough to swallow a seven-storey building.The impact, which is planned for July 4th 2005, will be so violent that it should be visible through small telescopes on earth.
Apollo astronauts drove around many a crater as deep as the day a meteorite gouged it out, but a fine, thick "soil," or regolith, covers the surface of Eros and has somehow ponded in small impact craters.
