Definition of duricrust in English:

duricrust

Line breaks: duri|crust
Pronunciation: /ˈdjʊərɪkrʌst
 
/

noun

Geology
  • A hard mineral crust formed at or near the surface of soil in semi-arid regions by the evaporation of groundwater: resistant bedrock or duricrusts appear at the surface [mass noun]: he crunched over concrete and then duricrust
    More example sentences
    • A resistant rock cap such as a hard sandstone or a duricrust is one possibility.
    • The Molopo River was sampled by first removing the duricrust and then sampling the underlying sediments.
    • Due to the scarceness of datable sediments saprolites and duricrusts were widely used as defining features.

Origin

1920s: from Latin durus 'hard' + crust.

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