CEFR C1

antiknock

adjective

Meaning

Preventing the premature ignition of fuel in an internal combustion engine, which causes a knocking sound.

Examples

Engineers developed an antiknock additive to improve the performance of high-compression engines.
The antiknock properties of the new fuel blend allow for smoother acceleration under heavy loads.

Synonyms: octane, anti-detonant

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antiknock (C1)

adjective

Pronunciation: /ˈæntiˌnɒk/

Definition

Preventing the premature ignition of fuel in an internal combustion engine, which causes a knocking sound.

Examples

Engineers developed an antiknock additive to improve the performance of high-compression engines.
The antiknock properties of the new fuel blend allow for smoother acceleration under heavy loads.

How to Use antiknock

antiknock agent (collocation): a chemical substance added to fuel to prevent knocking — "Lead was historically used as an antiknock agent in motor fuel."

Synonyms of antiknock

Words with a similar meaning to antiknock:

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