Takeoff is the phase of flight in which an aerospace vehicle leaves the ground and becomes airborne. For aircraft traveling vertically, this is known as liftoff. For aircraft that take off horizontally, this usually involves starting with a transition from moving along the ground on a runway.

Whats the definition of take off?

1a : to start off or away often suddenly : set out, depart took off for her trip. b : to leave the surface : begin flight. c : to spring into wide use or popularity.

What is a take off in business?

Takeoff is the point in the development of something, such as an economy or a business, when it begins to be successful.