WordReference Random House Unabridged Dictionary of American English © 2026
compres′sion igni′tion,
com•pres′sion-ig•ni′tion, adj.
- ignition of engine fuel by the heat of air compressed in the cylinders into which the fuel is introduced.
- 1925–30
'compression ignition' also found in these entries (note: many are not synonyms or translations):