liftoff
liftoff liftoff n. (Rocketry) the initial ascent of a rocket from its launching pad. [WordNet 1.5]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • liftoff — also lift off, vertical take off of a rocket, etc., 1956, Amer.Eng., from LIFT (Cf. lift) (v.) + OFF (Cf. off) …   Etymology dictionary

  • liftoff — [n] rocket launch blast off, rocket firing, rocket ignition, shot, take off; concepts 179,222 …   New thesaurus

  • liftoff — ☆ liftoff [lift′ôf΄ ] n. 1. the initial vertical takeoff of a rocket, helicopter, etc. 2. the moment at which this occurs: Also lift off …   English World dictionary

  • liftoff — /lift awf , of /, n. 1. Aeron., 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… …   Universalium

  • liftoff — noun Date: circa 1956 a vertical takeoff by an aircraft or a rocket vehicle or missile …   New Collegiate Dictionary

  • liftoff — noun The point in the launch of a rocket where it leaves contact with the ground …   Wiktionary

  • liftoff — I (New American Roget s College Thesaurus) n. launch, blastoff. See beginning. Ant., landing, touchdown. II (Roget s 3 Superthesaurus) n. launch, take off, blast off, ignition, firing. III (Roget s Thesaurus II) noun The act of rising in flight:… …   English dictionary for students

  • liftoff — n. rising of an aircraft or rocket into the air; moment when an aircraft or rocket rises into the air …   English contemporary dictionary

  • liftoff — lift′off or lift′ off n. 1) aer. rkt the action of an aircraft in becoming airborne or of a rocket in rising from its launching site under its own power 2) aer. rkt the instant when such action occurs • Etymology: 1955–60 …   From formal English to slang

  • liftoff — noun the initial ascent of a rocket from its launching pad • Derivationally related forms: ↑lift off • Hypernyms: ↑rise, ↑rising, ↑ascent, ↑ascension …   Useful english dictionary

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