caliche

n 1: crust or layer of hard subsoil encrusted with

calcium-carbonate occurring in arid or semiarid regions

[syn: {hardpan}]

2: nitrate-bearing rock or gravel of the sodium nitrate

deposits of Chile and Peru

Alice

A parallel {graph rewriting} computer

developed by {Imperial College}, {University of Edinburgh} and

{ICL}.

(1995-01-19)