Pertaining to, or resembling, a crater.

plural of craterization

The formation of craters. / An old medical procedure in which a hole was drilled into the head to remove a foreign mass.

plural of cratering

Of the nature of a (volcanic) crater

(geology, astronomy) A crater formed from a hypervelocity impact, typically of a meteorite, as opposed to one formed by other means such as vulcanism.

(derogatory) Someone whose face is scarred or pockmarked.

(geology) A lake that has formed in the caldera of a volcano.

plural of crater lake

plural of impact crater