crater

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Related to cratering: cratering charge

crater

 [kra´ter]
an excavated area surrounded by an elevated margin, such as is caused by ulceration.

cra·ter

(krā'ter),
The most depressed, usually central portion of an ulcer.
References in periodicals archive ?
Anything that disperses the contaminant or causes it to adsorb on pigment will prevent or reduce cratering. Testing for sensitivity to in-paint contaminants is very complicated because it is more of a test of the ability of the paint to assimilate contaminants than it is a crater test.
This ejecta would have buried most pre-existing rays (and many of the craters that formed them), so only the craters that were formed after these basins, in the waning days of intense cratering, would have had visible rays.
The cratering record on Earth isn't much better: Erosion and faulting obliterate traces of impacts.
Textbooks often illustrate the concept of cratering by depicting the impact, excavation, and ejection events on a completely flat terrain.
That interpretation would mean that "cratering models need drastic revision, [that] our understanding of lunar impactors is really lousy," says Lucey.
But those chronologies are suspect until we get samples of the rocks to provide "ground truth" for each cratering record.