antiknock Definition
a substance added to gasoline to prevent knocking in internal-combustion engines.
Using antiknock: Examples
Take a moment to familiarize yourself with how "antiknock" can be used in various situations through the following examples!
Example
The antiknock properties of gasoline are important for the efficient operation of car engines.
Example
Tetraethyl lead was once commonly used as an antiknock additive in gasoline, but it has since been phased out due to environmental concerns.
Summary: antiknock in Brief
'Antiknock' [an-tee-nok, an-tahy-] refers to a substance added to gasoline to prevent knocking in internal-combustion engines. It is essential for the efficient operation of car engines. Tetraethyl lead was once commonly used as an antiknock additive in gasoline, but it has since been phased out due to environmental concerns.