lift-off

liftoff

[lift-awf, -of]
noun
1.
Aeronautics, Rocketry.
a.
the action of an aircraft in becoming airborne or of a rocket in rising from its launching site under its own power.
b.
the instant when such action occurs.
2.
Informal. the launching or commencement of a project, plan, etc.: The liftoff of the sales campaign will be next month.
adjective
3.
that removes by lifting off; capable of being lifted off: a liftoff correction tape for typewriters; magnetized, liftoff nameplates.
Also, lift-off.


Origin:
1955–60; noun, adj. use of verb phrase lift off

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
liftoff (ˈlɪftˌɒf)
 
n
1.  the initial movement or ascent of a rocket from its launch pad
2.  the instant at which this occurs
 
vb
3.  (intr, adverb) (of a rocket) to leave its launch pad

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

liftoff
"vertical take-off of a rocket, etc.," 1956, Amer.Eng., from lift (v.) + off.
Online Etymology Dictionary, © 2010 Douglas Harper
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Synonyms
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