Laterite
WordNet

noun


(1)   A red soil produced by rock decay; contains insoluble deposits of ferric and aluminum oxides
WiktionaryText

Noun


  1. A red hard or gravel-like soil or subsoil formed in the tropics that has been leached of soluble minerals leaving insoluble iron and aluminium oxides and hydroxides; used to make bricks and roads.
 
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