pressure feed1
/ˈprɛʃə ˌfiːd/noun
A supply system in which the flow of material is maintained by applied pressure; the supplying of material, especially fuel, in this way.
Origin
Mid 19th century; earliest use found in Scientific American. From pressure + feed.
pressure-feed2
/ˈprɛʃˌˈfiːd/verb
[with object] To supply (material, especially fuel) by means of applied pressure.
Origin
Early 20th century; earliest use found in Autocar. From pressure + feed.