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Noun: sinkhole  'singk,hówl
  1. A depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
    - sink, swallow hole

Derived forms: sinkholes

Type of: depression, natural depression

Encyclopedia: Sinkhole

Nearest

sinistrality
sinistrorsal
sinistrorse
Sinitic
Sinitic language
sink
sink in
sink or swim
sinkable
sinker
sinkhole
Sinkiang
sinking
sinking feeling
sinking fund
sinking spell
sinless
sinlessness
Sinn Féin
sinner
sinning