WordNet: karstipainauma, karstivajoama, vajoama
a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
- hypernym syvänkö
karstipainauma
- (englanti) sink (synonyymi)
karstivajoama
- (englanti) sinkhole (synonyymi)
vajoama
- (englanti) swallow hole (synonyymi)