TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
ISOOCTANO [2 records]
Record 1 - internal organization data 2004-06-15
Record 1, English
Record 1, Subject field(s)
- Fueling Systems (Motor Vehicles)
- White Products (Petroleum)
- Isomerization Processes (Petroleum)
Record 1, Main entry term, English
- isooctane
1, record 1, English, isooctane
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- iso-octane 2, record 1, English, iso%2Doctane
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
There is one fuel called iso-octane that is very resistant to knocking; it is given an octane rating of 100. Another fuel, called heptane knocks very easily; it is given a rating of zero. 3, record 1, English, - isooctane
Record 1, French
Record 1, Domaine(s)
- Alimentation (Véhicules automobiles)
- Produits blancs (Pétrole)
- Isomérisation (Pétrole)
Record 1, Main entry term, French
- isooctane
1, record 1, French, isooctane
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- iso-octane 2, record 1, French, iso%2Doctane
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Isomère de l'octane normal. 3, record 1, French, - isooctane
Record number: 1, Textual support number: 1 CONT
L'indice d'octane est déterminé par la comparaison du carburant avec un mélange de référence formé de deux hydrocarbures : l'heptane, extrêmement détonant, et l'isooctane, très peu détonant. 4, record 1, French, - isooctane
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Alimentación de combustible (Vehículos automotores)
- Productos blancos (Petróleo)
- Isomerización (Petróleo)
Record 1, Main entry term, Spanish
- isooctano
1, record 1, Spanish, isooctano
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- iso-octano 2, record 1, Spanish, iso%2Doctano
masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Líquido incoloro, insoluble en agua, ligeramente soluble en alcohol y éter. Inflamable. Tóxico. 1, record 1, Spanish, - isooctano
Record 2 - internal organization data 2004-03-16
Record 2, English
Record 2, Subject field(s)
- Crude Oil and Petroleum Products
- Gasoline Motors
- Environmental Studies and Analyses
Record 2, Main entry term, English
- antiknock index
1, record 2, English, antiknock%20index
correct
Record 2, Abbreviations, English
- AKI 2, record 2, English, AKI
correct, United States
Record 2, Synonyms, English
- octane index 3, record 2, English, octane%20index
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The average of the Research (R) and Motor (M) octane number for the fuel, i.e., (R + M)/2. 4, record 2, English, - antiknock%20index
Record 2, Key term(s)
- anti-knock index
- anti-knock value
- antiknock value
Record 2, French
Record 2, Domaine(s)
- Pétroles bruts et dérivés
- Moteurs à essence
- Études et analyses environnementales
Record 2, Main entry term, French
- indice d'octane
1, record 2, French, indice%20d%27octane
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- indice antidétonant 2, record 2, French, indice%20antid%C3%A9tonant
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Somme de l'indice d'octane recherche (R) et de l'indice d'octane moteur (M) du carburant divisée par deux, soit (R + M)/2. 3, record 2, French, - indice%20d%27octane
Record number: 2, Textual support number: 2 OBS
La valeur antidétonante d'une essence est sa capacité à résister au cognement et l'indice d'octane mesure cette capacité. 4, record 2, French, - indice%20d%27octane
Record 2, Key term(s)
- valeur antidétonante
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Petróleo bruto y derivados
- Motores de gasolina
- Estudios y análisis del medio ambiente
Record 2, Main entry term, Spanish
- índice de octano
1, record 2, Spanish, %C3%ADndice%20de%20octano
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- octanaje 2, record 2, Spanish, octanaje
masculine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Índice que mide la detonación en motores Otto. Ha sido fijado arbitrariamente por porcentaje de mezcla entre el isooctano, el más explosivo, y el n-heptano, el menos explosivo. 1, record 2, Spanish, - %C3%ADndice%20de%20octano
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: