post-accelerate
/ˌpəʊstəkˈsɛləreɪt/ /ˌpəʊstakˈsɛləreɪt/Electronics
verb
[with object] To accelerate (an electron or electron beam) after its deflection in a cathode ray tube.
Origin
1970s. From post- + accelerate. Compare earlier post-accelerating, post-acceleration, post-accelerator.