LATERITE
laterite
(noun) a red soil produced by rock decay; contains insoluble deposits of ferric and aluminum oxides
Source: WordNet® 3.1
Etymology
Noun
laterite (plural laterites)
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.
Synonyms
• murram
Anagrams
• literate, litteræ, teretial
Source: Wiktionary
Lat"er*ite, n. Etym: [L. later brick, tile: cf. F. latérite.] (Geol.)
Definition: An argillaceous sandstone, of a red color, and much seamed; --
found in India.
Source: Webster’s Unabridged Dictionary 1913 Edition