TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
MGSO4 [4 records]
Record 1 - internal organization data 2011-07-26
Record 1, English
Record 1, Subject field(s)
- Mineralogy
Universal entry(ies) Record 1
Record 1, Main entry term, English
- epsomite
1, record 1, English, epsomite
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- epsom salt 2, record 1, English, epsom%20salt
correct
- Epsom salt 3, record 1, English, Epsom%20salt
correct
- bitter salt 4, record 1, English, bitter%20salt
- hair salt 3, record 1, English, hair%20salt
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A mineral of the epsomite group which consists of a hydrated sulfate of magnesium and occurs in colorless prismatic crystals, botryoidal masses, incrustations in gypsum mines or limestone caves, or in solution in mineral waters. 3, record 1, English, - epsomite
Record number: 1, Textual support number: 1 OBS
Epsomite is valued for its medicinal properties; commonly sold as "epsom salts." 5, record 1, English, - epsomite
Record number: 1, Textual support number: 2 OBS
epsomite: Named from the original locality of Epsom, England. 3, record 1, English, - epsomite
Record number: 1, Textual support number: 3 OBS
Chemical formula: MgSO4•7H2O 3, record 1, English, - epsomite
Record 1, Key term(s)
- bitter salts
- epsom salts
Record 1, French
Record 1, Domaine(s)
- Minéralogie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- epsomite
1, record 1, French, epsomite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- sel d'Epsom 2, record 1, French, sel%20d%27Epsom
correct, masculine noun
- sel amer 3, record 1, French, sel%20amer
masculine noun
- sel anglais 4, record 1, French, sel%20anglais
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Minéral (sulfate de magnésium hydraté) du système cristallin orthorhombique. 5, record 1, French, - epsomite
Record number: 1, Textual support number: 1 CONT
[L'epsomite] cristallise dans la classe orthorhombique [...] en cristaux typiquement bisphénoïdaux [...] Se présente aussi en fines aiguilles [...], en efflorescences et en masses terreuses. Incolore à blanc. N'est pas hygroscopique contrairement aux autres sels de magnésium. Optiquement biaxe négatif. [...] Est très abondant dans les régions des steppes. 4, record 1, French, - epsomite
Record number: 1, Textual support number: 1 OBS
epsomite : Étymologie : de la localité d'Epsom (Angleterre), où le minéral a été découvert. 6, record 1, French, - epsomite
Record number: 1, Textual support number: 2 OBS
Formule chimique : MgSO4•7H2O 6, record 1, French, - epsomite
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Mineralogía
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- epsomita
1, record 1, Spanish, epsomita
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- sal amarga 2, record 1, Spanish, sal%20amarga
correct, feminine noun
- sal de la Higuera 1, record 1, Spanish, sal%20de%20la%20Higuera
correct, feminine noun
- sal purgante 1, record 1, Spanish, sal%20purgante
correct, feminine noun
- vitriolo de magnesio 1, record 1, Spanish, vitriolo%20de%20magnesio
correct, see observation, masculine noun, obsolete
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Sulfato hidratado de magnesio [...], que cristaliza en el sistema romboédrico; forma eflorescencias, masas fibrosas, o costras generalmente incoloras, a veces rojizas. 1, record 1, Spanish, - epsomita
Record number: 1, Textual support number: 1 OBS
Fórmula química: MgSO4•7H2O 1, record 1, Spanish, - epsomita
Record number: 1, Textual support number: 2 OBS
vitriolo: Sinónimo arcaico de sulfato. 1, record 1, Spanish, - epsomita
Record 2 - internal organization data 2011-06-23
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
- Food Additives
- Pharmacy
Universal entry(ies) Record 2
Record 2, Main entry term, English
- magnesium sulfate
1, record 2, English, magnesium%20sulfate
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- magnesium sulfate (1:1) 2, record 2, English, magnesium%20sulfate%20%281%3A1%29
correct
- magnesium sulphate 3, record 2, English, magnesium%20sulphate
former designation, avoid
- sulphate of magnesium 4, record 2, English, sulphate%20of%20magnesium
former designation, avoid
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A colourless, crystalline substance formed by the reaction of magnesium hydroxide with sulfur dioxide and air. 5, record 2, English, - magnesium%20sulfate
Record number: 2, Textual support number: 1 OBS
A hydrate form of magnesium sulfate called kieserite, MgSO4H2O, occurs as a mineral deposit. Synthetically prepared magnesium sulfate is sold as Epsom salt (q.v.), MgSO4·7H2O. Magnesium sulfate has varied applications. In industry it is used in the manufacture of cements and fertilizers and in tanning and dyeing; in medicine it serves as a purgative. 5, record 2, English, - magnesium%20sulfate
Record number: 2, Textual support number: 2 OBS
Also used in the brewing and sugar industry. 6, record 2, English, - magnesium%20sulfate
Record number: 2, Textual support number: 3 OBS
Chemical formula: MgSO4 or O4S·Mg 7, record 2, English, - magnesium%20sulfate
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
- Additifs alimentaires
- Pharmacie
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- sulfate de magnésium
1, record 2, French, sulfate%20de%20magn%C3%A9sium
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Corps se présentant sous la forme d'une masse blanche, à saveur amère et astringente, soluble dans l'eau, insoluble dans l'alcool, utilisé comme thérapeutique, pour la préparation de la magnésie blanche, comme insecticide, pour l'apprêt de la laine, la décoloration du suc de betteraves rouges et la fabrication de l'émail. 2, record 2, French, - sulfate%20de%20magn%C3%A9sium
Record number: 2, Textual support number: 1 OBS
Formule chimique : MgSO4 ou O4S·Mg 2, record 2, French, - sulfate%20de%20magn%C3%A9sium
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Elementos y compuestos químicos
- Aditivos alimentarios
- Farmacia
Entrada(s) universal(es) Record 2
Record 2, Main entry term, Spanish
- sulfato de magnesio
1, record 2, Spanish, sulfato%20de%20magnesio
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 OBS
Fórmula química: MgSO4 o O4S·Mg 2, record 2, Spanish, - sulfato%20de%20magnesio
Record 3 - internal organization data 2011-04-21
Record 3, English
Record 3, Subject field(s)
- Mineralogy
Universal entry(ies) Record 3
Record 3, Main entry term, English
- pentahydrite
1, record 3, English, pentahydrite
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- allenite 2, record 3, English, allenite
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A mineral of the chalcanthite group which consists of a hydrated magnesium sulfate. 3, record 3, English, - pentahydrite
Record number: 3, Textual support number: 1 OBS
Chemical formula: MgSO4·5H2O 3, record 3, English, - pentahydrite
Record 3, French
Record 3, Domaine(s)
- Minéralogie
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- pentahydrite
1, record 3, French, pentahydrite
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- allénite 2, record 3, French, all%C3%A9nite
feminine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Sulfate du groupe de la chalcanthite, résultant de la déshydratation de l'epsomite et distinct de l'hexahydrite. 2, record 3, French, - pentahydrite
Record number: 3, Textual support number: 1 OBS
Ne pas confondre avec l'allanite. 2, record 3, French, - pentahydrite
Record number: 3, Textual support number: 2 OBS
Formule chimique : MgSO4·5H2O 3, record 3, French, - pentahydrite
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2010-12-17
Record 4, English
Record 4, Subject field(s)
- Mineralogy
Universal entry(ies) Record 4
Record 4, Main entry term, English
- kieserite
1, record 4, English, kieserite
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A whitish to yellowish hydrous magnesium sulfate mineral ... found in salt residues. 2, record 4, English, - kieserite
Record number: 4, Textual support number: 1 OBS
Chemical formula: MgSO4•H2O 3, record 4, English, - kieserite
Record 4, French
Record 4, Domaine(s)
- Minéralogie
Entrée(s) universelle(s) Record 4
Record 4, Main entry term, French
- kiésérite
1, record 4, French, ki%C3%A9s%C3%A9rite
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- kiesérite 2, record 4, French, kies%C3%A9rite
correct, feminine noun
- kieserite 3, record 4, French, kieserite
feminine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Minéral (sulfate) du système cristallin monoclinique, trouvé généralement dans les gisements de sel. 4, record 4, French, - ki%C3%A9s%C3%A9rite
Record number: 4, Textual support number: 1 CONT
[L'epsomite] est un produit d'altération de la kieserite [...] dans les gisements salins. 3, record 4, French, - ki%C3%A9s%C3%A9rite
Record number: 4, Textual support number: 1 OBS
Formule chimique : MgSO4•H2O 5, record 4, French, - ki%C3%A9s%C3%A9rite
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Mineralogía
Entrada(s) universal(es) Record 4
Record 4, Main entry term, Spanish
- kieserita
1, record 4, Spanish, kieserita
correct, feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Sulfato hidratado de magnesio [...], que cristaliza en el sistema monoclínico; se encuentra en forma de granos brillantes, blancos o incoloros. 1, record 4, Spanish, - kieserita
Record number: 4, Textual support number: 1 OBS
Fórmula química: MgSO4•H2O 1, record 4, Spanish, - kieserita
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: