injection pump
nounUK /ɪnˈdʒɛkʃən pʌmp/
US /ɪnˈdʒɛkʃən pʌmp/
A machine part that pushes fuel into an engine.
The mechanic replaced the broken injection pump so the truck could run again.
RELATED WORDS
OTHER MEANINGS
2. A device that forces liquid medicine or chemicals into a body or system under pressure.
The nurse used an injection pump to deliver the medicine slowly.
3. A pump that forces a measured amount of a substance into a mold or container.
The factory's injection pump fills each plastic mold with hot liquid.
4. A high-pressure pump used in diesel engines to spray fuel directly into the cylinder.
A faulty injection pump can make the engine hard to start.