How to Use "liftoff" with Example Sentences

1. And , indeed , it was nearly three hours on the tarmac before liftoff .
2. He explains that 2005 was the " liftoff " year for ipod sales , and for the installed base to grow beyond that would require a " massive " sales surge which is not happening .
3. But what exactly will the throngs of onlookers see at liftoff ?
4. The rocket failed shortly after liftoff .
5. Liftoff time will be 1:36 a.m. tuesday .