antiknocking

An obsolete adjective describing a substance, typically added to fuel, that prevents or reduces engine knocking or pinging.

• 🇨🇳过时形容词，指一种通常添加到燃料中的物质，能防止或减少发动机的爆震（爆燃）。

1. Suppressing engine knock C2 formal technical

   Relating to a substance or property that reduces or eliminates the knocking sound in internal combustion engines caused by premature fuel ignition.

   • The fuel additive has antiknocking properties that improve engine performance.
   • Modern gasoline often contains antiknocking agents to prevent pinging.
   • Engineers developed a new antiknocking compound for high-performance vehicles.

   🇨🇳抗爆震的

   同义词: antiknock