infall

About 0.04 uses per million words.

Meaning

1. noun The act or process of falling in.
2. noun An incursion; an inroad.
3. noun The area where water, storm runoff, etc., enters a storm drain.
4. noun Movement towards a massive astronomical body under the influence of gravity; especially the process whereby gas falls towards a neutron star or black hole at high speed, forming a plasma
5. verb To fall in.
6. verb To undergo infall.

Similar words

descent befalling incoming immanation inferral decidence immission ingress ingoing rainfall

Often followed by

of rate velocity and is model from into in