TERMIUM Plus®

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

ROCHE CORINDON [2 records]

Record 1 2005-12-06

English

Subject field(s)
  • Petrography
DEF

A granular rock that is composed essentially of an impure mixture of corundum, magnetite, and spinel, and that may be formed by magmatic segregation or by metamorphism of highly aluminous sediments.

OBS

corundolite: Any rock composed of corundum, e.g. emery.

French

Domaine(s)
  • Pétrographie
DEF

Roche constituée de corindon avec chloritoïdes et magnétite, disthène, staurotide, correspondant au métamorphisme plus poussé des bauxites.

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

[Piedra] abrasiva natural formada por corindón, magnetita y espinela.

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Record 2 1987-11-04

English

Subject field(s)
  • Grinding (Machine-Tooling)
DEF

A grinding wheel for very hard materials (as gems or tungsten carbide) using diamond dust as abrasive.

French

Domaine(s)
  • Meulage (Usinage)
OBS

Les meules étaient initialement constituées d’une roche naturelle(grès, etc.). Elles sont maintenant à base de grains d’abrasifs artificiels(corindon, carbure de silicium, diamant, etc.)(...)

Spanish

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