Definition of heavy-lift in English:

heavy-lift

Syllabification: heav·y-lift
Pronunciation: /ˈhevēlift
 
/

adjective

[attributive]
(Of a vehicle) capable of lifting or transporting extremely heavy loads: a heavy-lift helicopter
More example sentences
  • The EU lacks heavy-lift aircraft, attack helicopters, fighter/ground attack aircraft, and unmanned drones, and has to rely on American spy satellites for basic intelligence.
  • However, the debate over such designs misses one key point: developing a new heavy-lift vehicle could be the least desirable step NASA could take if it wants a sustainable, affordable exploration program.
  • Allison, however, believes that a heavy-lift vehicle would cost far more: perhaps $20 billion to develop and $1 billion per launch.

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Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope