TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
NH3 [5 records]
Record 1 - internal organization data 2021-09-20
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 1
Record 1, Main entry term, English
- ammonia
1, record 1, English, ammonia
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- anhydrous ammonia 2, record 1, English, anhydrous%20ammonia
correct
- ammonia gas 3, record 1, English, ammonia%20gas
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A chemical combination of nitrogen and hydrogen which appears under the form of a colorless gas with an intensely irritating odour, is lighter than air, easily liquefied by pressure, combustible, very soluble in water and alcohol and is used as a refrigerant and in the production of nitric acid and fertilizers. 4, record 1, English, - ammonia
Record number: 1, Textual support number: 1 OBS
Chemical formula: NH3 4, record 1, English, - ammonia
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- ammoniac
1, record 1, French, ammoniac
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- gaz ammoniac 2, record 1, French, gaz%20ammoniac
correct, masculine noun
- ammoniac anhydre 3, record 1, French, ammoniac%20anhydre
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Combinaison gazeuse d'azote et d'hydrogène, de formule NH3, existant à l'état libre ou dissoute dans l'eau, que l'on rencontre à l'état de traces dans l'atmosphère naturelle et de manière plus abondante quand elle est polluée, constituant un gaz à effet de serre mineur, très soluble dans l'eau, que l'on synthétise industriellement pour l'utiliser comme fluide frigorigène et pour la production d'engrais ou d'acide nitrique. 4, record 1, French, - ammoniac
Record number: 1, Textual support number: 1 CONT
L'ammoniac existe simultanément sous deux formes : NH3(ammoniac non ionisé) et NH4+(ammoniac ionisé ou ammonium). La proportion de chacune de ces formes dépend en grande partie du pH et de la température [...] 5, record 1, French, - ammoniac
Record number: 1, Textual support number: 1 OBS
[...] ne pas confondre [...] avec l'«ammoniaque», qui est une solution de gaz ammoniac dans l'eau. 6, record 1, French, - ammoniac
Record number: 1, Textual support number: 2 OBS
Formule chimique : NH3 4, record 1, French, - ammoniac
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Elementos y compuestos químicos
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- amoníaco
1, record 1, Spanish, amon%C3%ADaco
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- amoníaco anhidro 2, record 1, Spanish, amon%C3%ADaco%20anhidro
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Compuesto de nitrógeno e hidrógeno de fórmula NH3. Es un gas de olor irritante, soluble en agua y fácilmente licuable. 3, record 1, Spanish, - amon%C3%ADaco
Record number: 1, Textual support number: 2 OBS
Fórmula química: NH3 4, record 1, Spanish, - amon%C3%ADaco
Record 2 - internal organization data 2011-08-26
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 2
Record 2, Main entry term, English
- ammonium diamminetetrathiocyanatochromate(III)
1, record 2, English, ammonium%20diamminetetrathiocyanatochromate%28III%29
correct, see observation
Record 2, Abbreviations, English
Record 2, Synonyms, English
- Reinecke salt 2, record 2, English, Reinecke%20salt
correct
- Reinecke’s salt 3, record 2, English, Reinecke%26rsquo%3Bs%20salt
correct
- ammonium reineckate 4, record 2, English, ammonium%20reineckate
correct
- ammonium tetrathiocyanodiammonochromate 4, record 2, English, ammonium%20tetrathiocyanodiammonochromate
avoid
- ammonium diammine chromium tetrathiocyanate 5, record 2, English, ammonium%20diammine%20chromium%20tetrathiocyanate
avoid
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
An ammonium salt of Reinecke's acid, a chemical compound in the form of dark-red crystals or crystalline powder that is used as a precipitating agent for organic bases such as choline, amines, for certain amino acids and as a reagent for mercury. 6, record 2, English, - ammonium%20diamminetetrathiocyanatochromate%28III%29
Record number: 2, Textual support number: 1 OBS
ammonium diamminetetrathiocyanatochromate(III): form recommended by the IUPAC (International Union of Pure and Applied Chemistry). 7, record 2, English, - ammonium%20diamminetetrathiocyanatochromate%28III%29
Record number: 2, Textual support number: 2 OBS
Chemical formula: C4H10CrN4S4 or NH4[Cr(NH3)2(SCH)4] 6, record 2, English, - ammonium%20diamminetetrathiocyanatochromate%28III%29
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- diamminetétrathiocyanatochromate(III) d'ammonium
1, record 2, French, diamminet%C3%A9trathiocyanatochromate%28III%29%20d%27ammonium
correct, see observation, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- sel de Reinecke 2, record 2, French, sel%20de%20Reinecke
correct, masculine noun
- reineckate d'ammonium 1, record 2, French, reineckate%20d%27ammonium
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Réactif analytique constitué par le chrome-III diammoniotétrathiocyanate de potassium. 2, record 2, French, - diamminet%C3%A9trathiocyanatochromate%28III%29%20d%27ammonium
Record number: 2, Textual support number: 1 OBS
reineckate : Nom générique des sels d'amines précipités par le sel de Reinecke. 2, record 2, French, - diamminet%C3%A9trathiocyanatochromate%28III%29%20d%27ammonium
Record number: 2, Textual support number: 2 OBS
diamminetétrathiocyanatochromate(III) d'ammonium : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée). 1, record 2, French, - diamminet%C3%A9trathiocyanatochromate%28III%29%20d%27ammonium
Record number: 2, Textual support number: 3 OBS
Formule chimique : C4H10CrN4S4 ou NH4[Cr(NH3)2(SCH)4] 3, record 2, French, - diamminet%C3%A9trathiocyanatochromate%28III%29%20d%27ammonium
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2010-11-10
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 3
Record 3, Main entry term, English
- ammonium hydroxide
1, record 3, English, ammonium%20hydroxide
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- aqua ammonia 2, record 3, English, aqua%20ammonia
correct
- aqua NH3 3, record 3, English, aqua%20NH3
correct
- ammonia water 4, record 3, English, ammonia%20water
correct
- aqueous ammonia 5, record 3, English, aqueous%20ammonia
correct
- ammonia solution 6, record 3, English, ammonia%20solution
correct
- ammonium hydrate 7, record 3, English, ammonium%20hydrate
correct
- ammonia liquor 5, record 3, English, ammonia%20liquor
correct
- ammoniacal liquor 5, record 3, English, ammoniacal%20liquor
correct
- ammonia 8, record 3, English, ammonia
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A solution of 28.29% NH3 in water. 9, record 3, English, - ammonium%20hydroxide
Record number: 3, Textual support number: 1 OBS
Chemical formula: NH4OH 3, record 3, English, - ammonium%20hydroxide
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- hydroxyde d'ammonium
1, record 3, French, hydroxyde%20d%27ammonium
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- ammoniaque 2, record 3, French, ammoniaque
correct, feminine noun
- ammoniaque liquide 3, record 3, French, ammoniaque%20liquide
see observation, feminine noun
- ammoniaque ordinaire 3, record 3, French, ammoniaque%20ordinaire
see observation, feminine noun
- liqueur ammoniacale 4, record 3, French, liqueur%20ammoniacale
feminine noun
- solution ammoniacale 5, record 3, French, solution%20ammoniacale
feminine noun
- alcali volatil 6, record 3, French, alcali%20volatil
see observation, masculine noun
- alkali volatil 3, record 3, French, alkali%20volatil
avoid, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Solution de gaz ammoniac dans l'eau. 7, record 3, French, - hydroxyde%20d%27ammonium
Record number: 3, Textual support number: 1 CONT
[...] on retrouve la liqueur ammoniacale dans les machines à affinité (ou à absorption). 8, record 3, French, - hydroxyde%20d%27ammonium
Record number: 3, Textual support number: 1 OBS
ammoniaque liquide : ammoniaque ordinaire; Ces noms correspondent à l'usage commercial. 9, record 3, French, - hydroxyde%20d%27ammonium
Record number: 3, Textual support number: 2 OBS
alcali volatil : nom commercial de la solution ammoniacale. 7, record 3, French, - hydroxyde%20d%27ammonium
Record number: 3, Textual support number: 3 OBS
Formule chimique : NH4OH 10, record 3, French, - hydroxyde%20d%27ammonium
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Elementos y compuestos químicos
Entrada(s) universal(es) Record 3
Record 3, Main entry term, Spanish
- hidróxido de amonio
1, record 3, Spanish, hidr%C3%B3xido%20de%20amonio
masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
- hidróxido amónico 2, record 3, Spanish, hidr%C3%B3xido%20am%C3%B3nico
masculine noun
- solución de amoniaco 3, record 3, Spanish, soluci%C3%B3n%20de%20amoniaco
feminine noun
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 OBS
Líquido incoloro. Tóxico por ingestión. Tanto líquido como vapor son extremadamente irritantes, especialmente para los ojos. 2, record 3, Spanish, - hidr%C3%B3xido%20de%20amonio
Record number: 3, Textual support number: 2 OBS
Fórmula química: NH4OH 4, record 3, Spanish, - hidr%C3%B3xido%20de%20amonio
Record 4 - internal organization data 2001-01-30
Record 4, English
Record 4, Subject field(s)
- Medical Instruments and Devices
- Lasers and Masers
- CBRNE Weapons
Record 4, Main entry term, English
- NH3 laser
1, record 4, English, NH3%20laser
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- ammonia maser 2, record 4, English, ammonia%20maser
obsolete
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
We have recently used NH3 lasers in the far-infrared (FIR) to test the predictions of the laser equations (Lorenz-model) about instabilities of the most basic type of lasers. 3, record 4, English, - NH3%20laser
Record 4, French
Record 4, Domaine(s)
- Instruments et appareillages médicaux
- Masers et lasers
- Armes CBRNE
Record 4, Main entry term, French
- laser NH3
1, record 4, French, laser%20NH3
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- laser à ammoniac 1, record 4, French, laser%20%C3%A0%20ammoniac
correct, masculine noun
- maser à ammoniac 2, record 4, French, maser%20%C3%A0%20ammoniac
masculine noun, obsolete
- maser à NH3 3, record 4, French, maser%20%C3%A0%20NH3
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Le laser NH3 fait ainsi partie de la génération des lasers à gaz moléculaires pompés optiquement par lasers CO2, ceux-ci émettant aux longueurs d'onde supérieures à 10 um. Dans ce type de laser, le faisceau d'excitation (faisceau émis par le laser CO2) va donc en traversant le gaz (NH3) être transformé en lumière de longueurs d'onde différentes. 1, record 4, French, - laser%20NH3
Record number: 4, Textual support number: 1 OBS
Le terme maser (amplification de micro-ondes par émission stimulée de radiation) est vieilli; il est maintenant remplacé par le terme laser. 2, record 4, French, - laser%20NH3
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1997-01-01
Record 5, English
Record 5, Subject field(s)
- Water Pollution
- Fish
Record 5, Main entry term, English
- ammonia NH3 intoxication 1, record 5, English, ammonia%20NH3%20intoxication
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, French
Record 5, Domaine(s)
- Pollution de l'eau
- Poissons
Record 5, Main entry term, French
- intoxication à l'ammoniac
1, record 5, French, intoxication%20%C3%A0%20l%27ammoniac
feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
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:


