blastoff
UK[ˈblɑːstɒf]US[ˈblæstɔːf]
n
the moment when a rocket or spacecraft leaves the ground at the start of a flight
Morpheme Breakdown
blast
off
blast
forceful expulsion
off
departure
Etymology
The word 'blastoff' is a modern compound noun, a product of the 20th-century space age. It combines 'blast', an Old English word for a strong gust or explosive force, with the adverbial particle 'off', denoting departure. The term vividly and literally describes the critical launch moment: the rocket's departure (off) is propelled by a massive, controlled explosion (blast). This transparent compounding creates a highly descriptive and dramatic term for a technologically advanced event.
Analysis
Structure: blast (forceful expulsion) + off (departure)
- blast: From Old English blǣst, meaning a blowing, a gust of wind. In this compound, it signifies the powerful, explosive burst of force.
- off: From Old English of, indicating separation, departure, or movement away.
Examples
The countdown reached zero, and we watched the spectacular blastoff.
The mission was delayed just minutes before the scheduled blastoff.
Engineers monitored all systems carefully during the successful blastoff.