injectorpump

noun
UK /ɪnˈdʒɛktə pʌmp/
US /ɪnˈdʒɛktər pʌmp/

A machine that pushes fuel or liquid into an engine.

The mechanic replaced the broken injector pump so the truck could start again.


OTHER MEANINGS

2. A device that forces a measured amount of liquid medicine into the body.

The nurse used an injector pump to give the patient the medicine slowly.

3. A component in some industrial machines that sprays a precise amount of fluid.

The factory's injector pump sprays oil onto the moving parts.

4. A high-pressure pump used in diesel engines to deliver fuel to each cylinder.

The diesel injector pump must be timed perfectly for the engine to run smoothly.