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The Government of Canada’s terminology and linguistic data bank.

GEODE [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-02-21

English

Subject field(s)
  • Mineralogy
  • Geology
DEF

A hollow, rounded or subrounded body, which has a lining of mineral crystals pointing inward ...

CONT

A geode is a rock whose crystal-filled interior can be hollow or filled. The crystals that form within the mineral crust of the geode is called cruze. From the outside, geodes look like rounded, but otherwise ordinary rocks.

OBS

Distinguished from vugs which are residual or solution cavities in veins or rocks, and may be crystal-lined.

OBS

Unlike a "druse," a geode is separable (by weathering) as a discrete nodule or concretion from the rock in which it occurs and its inner crystals are not of the same minerals as those of the enclosing rock. A geode tends to be slightly flattened with its equatorial plane parallel to the bedding.

French

Domaine(s)
  • Minéralogie
  • Géologie
DEF

Masse pierreuse sphérique ou ovoïde, creuse, dont l'intérieur est tapissé de cristaux.

CONT

[...] «des géodes», subsphériques, dont l'intérieur est creux et présente parfois des cristaux bien développés tels les géodes calcaires des «Terres Noires» jurassiques dont la cavité est souvent hérissée de cristaux limpides de quartz pyramidé [...]

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Geología
DEF

Masa mineral hueca cuyas paredes internas están recubiertas por cristales.

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Record 2 1992-10-14

English

Subject field(s)
  • Spacecraft
  • Research Experiments in Space

French

Domaine(s)
  • Engins spatiaux
  • Travaux de recherche dans l'espace
OBS

Au moyen d'une fusée-sonde suédoise.

Spanish

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Record 3 1992-09-16

English

Subject field(s)
  • Radiography (Medicine)
  • Musculoskeletal System
DEF

A lesion at the end of a long bone which appears to be confined to the subchondral area. These lesions are thought to arise from ingrowth of synovial membrane, but a connection between the marrow cavity and the surface of the bone is not apparent radiologically. Cysts may also occur in the shaft of a phalanx.

French

Domaine(s)
  • Radiographie (Médecine)
  • Appareil locomoteur (Médecine)
DEF

Formation pseudo-kystique située au niveau de l'os sous-chondral, faite de tissu conjonctif vasculaire non minéralisé qui a pris la place de l'os spongieux.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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