1. geological_fault - noun
ยท (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other; "they built it right over a geological fault"; "he studied the faulting of the earth's crust"
Synonym(s): fault, faulting, shift, fracture, break
Hypernym(s): crack, cleft, crevice, fissure, scissure
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