P3R1E1I1G2N1I1T1I1O1N1
14 points
PREIGNITION is validvalid
[n PREIGNITIONS]
ignition in an internal combustion engine while the inlet valve is open or before compression is completed [n -S]
[n PREIGNITIONS]
ignition in an internal combustion engine while the inlet valve is open or before compression is completed [n -S]