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Meaning of duricrust

dur•i•crust

Pronunciation: (door'i-krust", dyoor'-), [key]
— n.
  1. a hard crust that forms on or in soil in semiarid climates owing to cementation of soil particles. Cf. caliche, hardpan (defs. 1, 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.