the.com/blastoff
The three-second eviction notice gravity gets before you laugh in its face.
means The precise moment a rocket leaves the ground under its own power, beginning powered flight.
from A straightforward 20th-century compound of 'blast' (the explosive thrust of engines igniting) and 'off' (departure, separation from the ground). It rose alongside the rocketry and space programs of the mid-1900s, when engineers and journalists needed a punchy word for the exact instant a rocket's engines overpower gravity and it leaves the pad — blunt, mechanical, and onomatopoeic enough that it stuck.
- origin era
- term took off in 1950s rocket culture
- the moment
- ignition plus liftoff, not just countdown ending
- energy math
- rocket burns most fuel fighting first few miles
- NASA slang
- engineers often just say launch, not blastoff