TERMIUM Plus®

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

anti-knock additive [1 record]

Record 1 2017-01-25

English

Subject field(s)
  • Crude Oil and Petroleum Products
  • Gasoline Motors
  • Engines (Motor Vehicles)
  • Anti-pollution Measures
DEF

Additive, generally an organo-metallic compound, used in fuels for spark ignition engines which increases their resistance to knocking. [Definition standardized by ISO.]

CONT

Antiknock compounds effectively raise the octane rating of a fuel so that the fuel burns properly in the combustion chamber of the engine.

OBS

anti-knock additive; anti-detonant additive: terms standardized by ISO.

OBS

antidetonant; antiknock: terms officially approved by the Lexicon Project Committee (New Brunswick).

Key term(s)
  • antiknock component
  • anti-knock agent

French

Domaine(s)
  • Pétroles bruts et dérivés
  • Moteurs à essence
  • Moteur (Véhicules automobiles)
  • Mesures antipollution
DEF

Additif, généralement un composé organo-métallique, utilisé dans les carburants pour moteurs à allumage commandé, qui en augmente la résistance à la détonation. [Définition normalisée par l'ISO.]

OBS

agent antidétonant : terme normalisé par l'ISO.

OBS

antidétonant : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Campo(s) temático(s)
  • Petróleo bruto y derivados
  • Motores de gasolina
  • Motores (Vehículos automotores)
  • Medidas contra la contaminación
DEF

Sustancia organometálica que aumenta el número de octanos de una gasolina cuando se añade en porcentajes bajos.

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