TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
O/H [5 records]
Record 1 - internal organization data 2011-08-24
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 1
Record 1, Main entry term, English
- prop-2-enal
1, record 1, English, prop%2D2%2Denal
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
- acraldehyde 2, record 1, English, acraldehyde
correct
- acrolein 3, record 1, English, acrolein
correct
- trans-acrolein 4, record 1, English, trans%2Dacrolein
correct, see observation
- acrylaldehyde 5, record 1, English, acrylaldehyde
correct
- acrylic aldehyde 2, record 1, English, acrylic%20aldehyde
correct
- allyl aldehyde 4, record 1, English, allyl%20aldehyde
correct
- Aqualin 2, record 1, English, Aqualin
trademark
- ethylene aldehyde 4, record 1, English, ethylene%20aldehyde
correct
- propenal 6, record 1, English, propenal
correct
- 2-propenal 2, record 1, English, 2%2Dpropenal
correct
- 2-propen-1-one 4, record 1, English, 2%2Dpropen%2D1%2Done
obsolete
- propylene aldehyde 4, record 1, English, propylene%20aldehyde
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The simplest member of a class of unsaturated aldehydes in the form of a yellow, irritant, pungent liquid, that is used in making plastics, perfumes, as a warning agent in methyl chloride refrigerant, in organic synthesis and for aquatic herbicides. 7, record 1, English, - prop%2D2%2Denal
Record number: 1, Textual support number: 1 OBS
prop-2-enal: form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicated on the present record. 1, record 1, English, - prop%2D2%2Denal
Record number: 1, Textual support number: 2 OBS
acrolein: term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS). 7, record 1, English, - prop%2D2%2Denal
Record number: 1, Textual support number: 3 OBS
trans-: This prefix must be italicized. 1, record 1, English, - prop%2D2%2Denal
Record number: 1, Textual support number: 4 OBS
Also known under a large number of commercial designations, among which: Acquinite; Aqualine; Biocide; Crolean; Magnacide; NSC-8819; RCRA waste number P003; Slimicide; UN 1092. 7, record 1, English, - prop%2D2%2Denal
Record number: 1, Textual support number: 5 OBS
Chemical formula: C3H4O or CH2=CHC(O)H or CH2CH-CHO or CH2=CH-CH=O 7, record 1, English, - prop%2D2%2Denal
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- prop-2-énal
1, record 1, French, prop%2D2%2D%C3%A9nal
correct, see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- acraldéhyde 2, record 1, French, acrald%C3%A9hyde
correct, masculine noun
- acroléine 3, record 1, French, acrol%C3%A9ine
correct, feminine noun
- trans-acroléine 2, record 1, French, trans%2Dacrol%C3%A9ine
correct, see observation, feminine noun
- acrylaldéhyde 4, record 1, French, acrylald%C3%A9hyde
correct, masculine noun
- aldéhyde acrylique 5, record 1, French, ald%C3%A9hyde%20acrylique
correct, masculine noun
- aldéhyde allylique 6, record 1, French, ald%C3%A9hyde%20allylique
correct, masculine noun
- Aqualin 7, record 1, French, Aqualin
trademark, masculine noun
- aldéhyde éthylénique 8, record 1, French, ald%C3%A9hyde%20%C3%A9thyl%C3%A9nique
correct, masculine noun
- propénal 9, record 1, French, prop%C3%A9nal
correct, masculine noun
- 2-propénal 2, record 1, French, 2%2Dprop%C3%A9nal
correct, masculine noun
- 2-propèn-1-one 2, record 1, French, 2%2Dprop%C3%A8n%2D1%2Done
masculine noun, obsolete
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Composé qui constitue le prototype des aldéhydes éthyléniques conjugués, qui doit son nom à son odeur et à son caractère lacrymogène, qui se présente sous la forme d'un liquide incolore utilisé dans les gaz de combat, les désinfectants, les colorants, les accélérateurs de vulcanisation, les parfums synthétiques et les herbicides pour plantes aquatiques. 10, record 1, French, - prop%2D2%2D%C3%A9nal
Record number: 1, Textual support number: 1 OBS
prop-2-énal : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche. 2, record 1, French, - prop%2D2%2D%C3%A9nal
Record number: 1, Textual support number: 2 OBS
acroléine : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RSNPA). 10, record 1, French, - prop%2D2%2D%C3%A9nal
Record number: 1, Textual support number: 3 OBS
trans- : Ce préfixe s'écrit en italique. 2, record 1, French, - prop%2D2%2D%C3%A9nal
Record number: 1, Textual support number: 4 OBS
Formule chimique : C3H4O ou CH2=CHC(O)H ou CH2CH-CHO ou CH2=CH-CH=O 10, record 1, French, - prop%2D2%2D%C3%A9nal
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
- acroleína
1, record 1, Spanish, acrole%C3%ADna
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- acrilaldehído 2, record 1, Spanish, acrilaldeh%C3%ADdo
masculine noun
- aldehído acrílico 3, record 1, Spanish, aldeh%C3%ADdo%20acr%C3%ADlico
masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Líquido incoloro o amarillento de olor desagradable. Soluble en agua, alcohol y éter. Muy tóxico por inhalación e ingestión. Fuerte irritante de los ojos y de la piel. Inflamable, riesgo de incendio. 3, record 1, Spanish, - acrole%C3%ADna
Record number: 1, Textual support number: 2 OBS
Fórmula química: C3H4O o CH2=CHC(O)H o CH2CH-CHO o CH2=CH-CH=O 4, record 1, Spanish, - acrole%C3%ADna
Record 2 - internal organization data 2011-08-23
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
- Food Additives
Universal entry(ies) Record 2
Record 2, Main entry term, English
- propanal
1, record 2, English, propanal
correct, see observation
Record 2, Abbreviations, English
Record 2, Synonyms, English
- methylacetaldehyde 2, record 2, English, methylacetaldehyde
correct
- propaldehyde 3, record 2, English, propaldehyde
correct
- propional 4, record 2, English, propional
correct
- propionaldehyde 5, record 2, English, propionaldehyde
correct
- propionic aldehyde 6, record 2, English, propionic%20aldehyde
correct
- propyl aldehyde 7, record 2, English, propyl%20aldehyde
correct
- propylic aldehyde 3, record 2, English, propylic%20aldehyde
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A water-white liquid with a suffocating odour which is soluble in water and which is used in the manufacture of propionic acid, polyvinyl and other plastics and as a desinfectant. 8, record 2, English, - propanal
Record number: 2, Textual support number: 1 OBS
Propionaldehyde [is a] synthetic flavoring agent that occurs naturally in apples and onions. Used in fruit flavorings for beverages, ice cream, ices, candy, and baked goods. 9, record 2, English, - propanal
Record number: 2, Textual support number: 2 OBS
propanal: form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicated on the present record. 4, record 2, English, - propanal
Record number: 2, Textual support number: 3 OBS
propionaldehyde: term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS). 10, record 2, English, - propanal
Record number: 2, Textual support number: 4 OBS
Also known under the following commercial designations: NCI-C61029; UN 1275. 10, record 2, English, - propanal
Record number: 2, Textual support number: 5 OBS
Chemical formula: C3H6O or CH3CH2C(O)H or C2H5CHO 10, record 2, English, - propanal
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
- Additifs alimentaires
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- propanal
1, record 2, French, propanal
correct, see observation, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- méthylacétaldéhyde 2, record 2, French, m%C3%A9thylac%C3%A9tald%C3%A9hyde
correct, masculine noun
- propylaldéhyde 3, record 2, French, propylald%C3%A9hyde
correct, masculine noun
- propional 3, record 2, French, propional
correct, masculine noun
- propionaldéhyde 4, record 2, French, propionald%C3%A9hyde
correct, masculine noun
- aldéhyde propionique 5, record 2, French, ald%C3%A9hyde%20propionique
correct, masculine noun
- aldéhyde propylique 6, record 2, French, ald%C3%A9hyde%20propylique
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
propanal : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche. 7, record 2, French, - propanal
Record number: 2, Textual support number: 2 OBS
propionaldéhyde : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RNSPA). 8, record 2, French, - propanal
Record number: 2, Textual support number: 3 OBS
Formule chimique : C3H6O ou CH3CH2C(O)H ou C2H5CHO 8, record 2, French, - propanal
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2011-08-22
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
- Plastics Manufacturing
Universal entry(ies) Record 3
Record 3, Main entry term, English
- 3-methylbutanal
1, record 3, English, 3%2Dmethylbutanal
correct, see observation
Record 3, Abbreviations, English
Record 3, Synonyms, English
- isoamyl aldehyde 1, record 3, English, isoamyl%20aldehyde
correct
- isopentaldehyde 2, record 3, English, isopentaldehyde
correct
- isovaleral 1, record 3, English, isovaleral
correct
- isovaleraldehyde 3, record 3, English, isovaleraldehyde
correct
- isovaleric aldehyde 1, record 3, English, isovaleric%20aldehyde
correct
- 3-methylbutyraldehyde 1, record 3, English, 3%2Dmethylbutyraldehyde
correct
- 2-methylbutanal-4 1, record 3, English, 2%2Dmethylbutanal%2D4
- 3-methyl-1-butanal 1, record 3, English, 3%2Dmethyl%2D1%2Dbutanal
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A mixture of isomeric 5-carbon aldehydes which appears under the form of a combustible, water-white liquid with a sharp odour and is used an an intermediate for bis-phenols, epoxy and polycarbonate resins, and modified formaldehyde resins. 4, record 3, English, - 3%2Dmethylbutanal
Record number: 3, Textual support number: 1 OBS
3-methylbutanal: form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicated on the present record. 5, record 3, English, - 3%2Dmethylbutanal
Record number: 3, Textual support number: 2 OBS
isopentaldehyde: commercial name. 5, record 3, English, - 3%2Dmethylbutanal
Record number: 3, Textual support number: 3 OBS
isovaleraldehyde: term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS). 4, record 3, English, - 3%2Dmethylbutanal
Record number: 3, Textual support number: 4 OBS
Chemical formula: C5H10O or C4H9CHO or (CH3)2CHCH2C(O)H 4, record 3, English, - 3%2Dmethylbutanal
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
- Plasturgie
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- 3-méthylbutanal
1, record 3, French, 3%2Dm%C3%A9thylbutanal
correct, see observation, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- isoamyl aldéhyde 2, record 3, French, isoamyl%20ald%C3%A9hyde
correct, masculine noun
- isopentaldéhyde 2, record 3, French, isopentald%C3%A9hyde
correct, masculine noun
- isovaléral 2, record 3, French, isoval%C3%A9ral
correct, masculine noun
- isovaléraldéhyde 3, record 3, French, isoval%C3%A9rald%C3%A9hyde
correct, masculine noun
- aldéhyde isovalérique 1, record 3, French, ald%C3%A9hyde%20isoval%C3%A9rique
correct, masculine noun
- 3-méthylbutyraldéhyde 1, record 3, French, 3%2Dm%C3%A9thylbutyrald%C3%A9hyde
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
3-méthylbutanal : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche. 2, record 3, French, - 3%2Dm%C3%A9thylbutanal
Record number: 3, Textual support number: 2 OBS
isopentaldéhyde : nom commercial. 2, record 3, French, - 3%2Dm%C3%A9thylbutanal
Record number: 3, Textual support number: 3 OBS
isovaléraldéhyde : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RSNPA). 4, record 3, French, - 3%2Dm%C3%A9thylbutanal
Record number: 3, Textual support number: 4 OBS
Formule chimique : C5H10O ou C4H9CHO ou (CH3)2CHCH2C(O)H 4, record 3, French, - 3%2Dm%C3%A9thylbutanal
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Elementos y compuestos químicos
- Fabricación de plásticos
Entrada(s) universal(es) Record 3
Record 3, Main entry term, Spanish
- isopentaldehído
1, record 3, Spanish, isopentaldeh%C3%ADdo
masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 OBS
Fórmula química: C5H10O o C4H9CHO o (CH3)2CHCH2C(O)H 2, record 3, Spanish, - isopentaldeh%C3%ADdo
Record 4 - internal organization data 1996-02-20
Record 4, English
Record 4, Subject field(s)
- Titles of Documents and Works
- Federal Administration
Record 4, Main entry term, English
- Administrative and Overhead Review 1, record 4, English, Administrative%20and%20Overhead%20Review
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Key term(s)
- O/H Review Overhead Initiative
Record 4, French
Record 4, Domaine(s)
- Titres de documents et d'œuvres
- Administration fédérale
Record 4, Main entry term, French
- Examen des pratiques administratives et fonctionnelles
1, record 4, French, Examen%20des%20pratiques%20administratives%20et%20fonctionnelles
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1979-08-22
Record 5, English
Record 5, Subject field(s)
- Cranes (Hoisting and Lifting)
- Cranes (Construction Sites)
Record 5, Main entry term, English
- overhaul
1, record 5, English, overhaul
noun
Record 5, Abbreviations, English
- O/H 2, record 5, English, O%2FH
noun
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
Ability of a weight on end of hoist line to unwind wire rope from drum when brake is released. 1, record 5, English, - overhaul
Record 5, French
Record 5, Domaine(s)
- Grues (Levage)
- Grues (Chantiers)
Record 5, Main entry term, French
- descente libre 1, record 5, French, descente%20libre
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
Aptitude d'un poids fixé à l'extrémité du câble de levage à dérouler ce dernier du tambour lorsque le frein est dégagé. 1, record 5, French, - descente%20libre
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: