TERMIUM Plus®

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

gypsum [2 records]

Record 1 2013-08-08

English

Subject field(s)
  • Dentistry
OBS

A raw material of natural or chemical origin consisting mainly of calcium sulphate dihydrate ... In French, the term "gypse" refers normally to the natural rock. This definition has been taken from ISO/R 1588.

French

Domaine(s)
  • Dentisterie
OBS

Matière première d'origine naturelle ou artificielle constituée essentiellement de sulfate de calcium dihydrate [...] En français, le terme gypse désigne normalement la roche naturelle. Cette définition est extraite de l'ISO/R 1588.

Spanish

Campo(s) temático(s)
  • Odontología
DEF

Materia prima de origen natural, que se compone principalmente de sulfato de calcio dihidratado.

OBS

Este término a menudo se usa incorrectamente para referirse al sulfato de calcio hemihidratado (de formas a y b), utilizado como agente adherente en revestimientos con yeso y al sulfato de calcio anhidro.

OBS

Fórmula química: CaSO4•2H2O

Save record 1

Record 2 2011-07-25

English

Subject field(s)
  • Mineralogy
  • Masonry Materials
  • Refractory Materials (Metallurgy)
Universal entry(ies)
CaSO4•2H2O
formula, see observation
13397-24-5
CAS number
DEF

A colorless (when pure) or white monoclinic mineral consisting of a hydrous sulfate of calcium.

OBS

Uses: In the production of plaster of Paris; as a fertilizer; in the production of Portland cement; a flux in glass manufacture and for ornamental purposes.

OBS

Chemical formula: CaSO4•2H2O

OBS

gypsum: term standardized by ISO.

French

Domaine(s)
  • Minéralogie
  • Matériaux de maçonnerie
  • Matériaux réfractaires (Métallurgie)
Entrée(s) universelle(s)
CaSO4•2H2O
formula, see observation
13397-24-5
CAS number
DEF

Minéral (sulfate hydraté) du système cristallin monoclinique [...] à aspect vitreux translucide.

CONT

La forme ordinaire est tabulaire [...] mais des formes lenticulaires apparaissent, avec la présence de faces courbes, lorsque le gypse contient des impuretés (NaCl). Les macles sont fréquentes, en «fer de lance» [...] et en «queue d'hirondelle» [...] clivage facile, [...] dureté 2, couleur blanche [...]

OBS

Formule chimique : CaSO4•2H2O

OBS

gypse : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Materiales de albañilería
  • Materiales refractarios (Metalurgia)
Entrada(s) universal(es)
CaSO4•2H2O
formula, see observation
13397-24-5
CAS number
DEF

Sulfato de calcio hidratado [...], que cristaliza en el sistema monoclínico.

OBS

En su forma mineral es el más abundante de los sulfatos; forma cristales incoloros, blancos, grisáceos, amarillentos o rojizos, con brillo nacarado y exfoliación laminar.

OBS

Fórmula química: CaSO4•2H2O

Save record 2

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