antiknock

Noun antiknock has 1 sense

• antiknock(n = noun.substance) - any of various compounds that are added to gasoline to reduce engine knocking;
has particulars: lead tetraethyl, tetraethyl lead
is a kind of chemical compound, compound
Derived form adjective antiknock₁

Adjective antiknock has 1 sense

• antiknock(s = adj.all) antiknocking - suppressing or eliminating engine knock in combustion engines; "antiknock properties"; "antiknock rating"
Derived form noun antiknock₁