Definition of liftoff in English:

liftoff

noun

  • Takeoff, especially the vertical takeoff of a rocket or helicopter.

    • ‘At lift-off, the inner envelope is only filled to 6% of its total volume.’
    • ‘To be awarded the honour of being a European City of Culture has been a great success for some such as Lille, who used it as a lift-off to greater things, but for so many it has meant nothing, or at least has lacked any lasting influence.’
    • ‘The next two lift-offs occurred around the 17th.’
    • ‘If all goes well with the test, the countdown will continue to a lift-off at 16: 39 CEST on Tuesday.’
    • ‘The first stage has provided the initial lift-off.’
    • ‘Such movements up the ladder create a lift-off of understanding, an effect some writers call ‘altitude.’’
    • ‘After lift-off, the heavy weight will result in a relatively slow acceleration to the speed for best angle of climb.’
    • ‘In contrast, in the sixth trial, the force and force rate functions observed for the two cubes were similar prior to lift-off, and lift-off occurred at about the same time.’
    • ‘Approximately 75 minutes after lift-off, when separation from the launcher is confirmed, the ATV becomes a fully automated spaceship.’
    • ‘Two days and counting until lift-off for the Space Shuttle Discovery.’
    • ‘Another helicopter and a C - 130 transport plane collided in the nighttime lift-off.’
    • ‘Less than 10 minutes after lift-off the payload parachuted safely back to Earth, and the suborbital flight was over.’
    • ‘Now the former England Under-21 is hoping his goal and City's triumph will mark an overdue lift-off for both himself and the club.’
    • ‘When asset valuations are very low, stock prices do not tend to fall easily and bull market lift-offs can be very violent when they do arise.’
    • ‘Discovery's journey, which began with a lift-off on July 26, spanned 219 orbits of Earth and 5.8 million miles.’
    • ‘The satellite is to be injected into a Geosynchronous Transfer Orbit about 17 minutes after the lift-off.’
    • ‘After some scenes of preparing for the next launch, we see the lift-off as well, sticking with the shuttle well past the separation of the solid rocket boosters.’
    • ‘He is preparing for lift-off on Thursday 25 April in a Russian Soyuz spacecraft on a mission codenamed Marco Polo that will replace the emergency rescue vehicle for the resident crew.’
    • ‘The lift-off took place with a Disco at Tramore Racecourse and ninety teenagers supported the fund raising venture and thoroughly enjoyed themselves without the merest hint of a hiccup.’
    • ‘The launch timing is dictated by both the position of the space station and NASA's desire to hold a daylight lift-off so it can photograph the spacecraft during its climb to orbit and watch out for possible damage.’
    departure, lift-off, launch, blast-off, taking off
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Pronunciation

liftoff

/ˈliftˌôf//ˈlɪftˌɔf/