Launching

Verb

1. Present participle of launch

Full definition of launching

Noun

1. The act by which something is launched; a launch.The launching of the Titanic.
• 2010, Raymond Friedman, A History of Jet Propulsion, Including Rockets (page 123)By 1940 they had conducted 25 successful launchings of A5 rockets, which reached 10 miles altitude and had a range of 12 miles.

Usage notes

Launch suggests an event at a point in time. Launching suggests a process over time.