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a. A mineral deposit rich in sodium nitrate occurring naturally in Chile, Peru, and the southwest United States, and used as fertilizer, in explosives, and as a raw material for manufacturing nitric acid.
a. The accretions of calcium carbonate in soil.
b. See hardpan.

[American Spanish, from Spanish, pebble in a brick, flake of lime, from cal, lime, from Latin calx, calc-, lime; see calx.]


1. (Geological Science) Also called: calcrete a bed of sand or clay in arid regions cemented by calcium carbonate, sodium chloride, and other soluble minerals
2. (Geological Science) a surface layer of soil encrusted with calcium carbonate, occurring in arid regions. Also called: duricrust
[C20: from American Spanish, from Latin calx lime]


(kəˈli tʃi)

1. a surface deposit of sodium nitrate found in South American desert areas: formerly a major source of chemical fertilizer.
2. a zone of calcium carbonate or other carbonates in soils of semiarid regions.
Compare hardpan.
[1855–60; < Sp: flake of lime]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.caliche - crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
dirt, soil - the part of the earth's surface consisting of humus and disintegrated rock
2.caliche - nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
rock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
References in periodicals archive ?
Caliche Development Partners LLC, a United States-based company focused on the acquisition, development, construction, ownership, and operation of subsurface hydrocarbon storage assets and related pipelines in North America, is planning to start construction on Coastal Caverns' first brine pond.
Caliche Development Partners, LLC announced today the targeted date of service for the initial NGL storage project at its recently acquired subsidiary Coastal Caverns, Inc.
There was The Point, an old bridge made of caliche brick going east out of town toward the gulf.
I didn't know this was going to be an issue," he said as he wound his 4x4 pickup through caliche roads flanked by thorn bushes and lazy-eyed steer.
La accion se desarrolla en la pieza de la Guille, una prostituta que vive con el Tolo, su caliche que roba en las micros, en un hotel de la calle San Diego.
Junto a las recien mencionadas y las de Becker y Alvarez, el corpus lo completan Largo viaje (1967) de Patricio Kaulen, Tres tristes tigres (1968) de Raul Ruiz, Valparaiso mi amor (1969) de Aldo Francia y Caliche sangriento (1969) de Helvio Soto.
Naama Goren-Inbar of the Hebrew University of Jerusalem, in a paper published in PLOS One, who added, "It is evident that the Pre-Pottery Neolithic A inhabitants of the area changed their landscape forever, 'stripping' the caliche surface and penetrating it in search of flint bedded in the bedrock.
It is found in the Earth's crust in mineral deposits called caliche ore.
Desde 19[grados] Sur 65[grados] Oeste, el uso del archivo casero se configura como una manera muy abstracta de explicar su historia familiar, una atencion ademas muy ligada a las cicatrices de la desaparicion de su tio Wilson Mario en 1987 y a la relacion de su familia con el tio Caliche que, bajo otra identidad y residiendo en otro pais, ha logrado escapar legitimamente no solo de sus cuentas pendientes con el pais sino con su militancia en la Union Patriotica.
The Simsima Formation is conspicuous with its heavy superficial coating of 'dripstone' caliche but about one kilometre from the main road is a prominent vertical wall of 'clean' exposure displaying good sedimentary layering worthy of close inspection (Fig.
From the shop, I saw her arrive, and snickered at her struggling on her skinny-heeled shoes in the busted caliche of our "driveway.