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单词 blastoff
释义

WordReference Random House Learner's Dictionary of American English © 2024
blast•off /ˈblæstˌɔf, -ˌɑf/USA pronunciation   n. [countable]
  1. Aerospacethe launching of a rocket, guided missile, or spacecraft.

WordReference Random House Unabridged Dictionary of American English © 2024
blast•off  (blastôf′, -of′, bläst-),USA pronunciation n. [Aerospace.]
  1. Aerospacethe launching of a rocket, guided missile, or spacecraft.
  • noun, nominal use of verb, verbal phrase blast off 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
blastoff /ˈblɑːstˌɒf/ n
  1. the launching of a rocket under its own power
  2. the time at which this occurs
vb blast off
  1. (adverb; when tr, usually passive) (of a rocket, spacemen, etc) to be launched
WordReference Random House Learner's Dictionary of American English © 2024
blast /blæst/USA pronunciation   n. 
    [countable]
  1. a sudden and violent gust of wind:a chill blast from the north.
  2. the blowing of a trumpet, whistle, etc.:several blasts of the trumpet.
  3. a loud, sudden sound or noise: a harsh blast from the radio.
  4. a forceful throw, hit, etc.: hit a blast down third base.
  5. the act of exploding;
    explosion:a nuclear blast.
  6. Slang Termssomething that gives great pleasure, esp. a wild party:[usually: a + ~]had a blast at their parties.
  7. a vigorous outburst of criticism;
    attack:a blast of negative media attention.

v. 
  1. to produce a loud, blaring noise by or as if by blowing: [+ object]to blast a horn.[no object]The drivers were blasting on their horns.
  2. to shatter by or as if by an explosion;
    ruin or destroy:[+ object]blasted the enemy communications center.
  3. to make, form, or open up by using explosions, etc.: [+ object]to blast a tunnel.[no object]They were instructed not to blast in that area.
  4. to criticize vigorously;
    denounce:[+ object]The judge blasted his critics.
  5. to hit or propel with great force:[+ object]blasted that serve right past his opponent.
  6. Rocketry blast off, [no object] (of a rocket) to leave a launch pad:The missile blasted off.

interj. 
  1. (used as a mild curse or swear expression):Blast it, why does the phone ring whenever I'm in the shower?
Idioms
  1. Idioms (at) full blast, at maximum capacity or ability:The radio was on at full blast.


WordReference Random House Unabridged Dictionary of American English © 2024
blast  (blast, bläst),USA pronunciation n. 
  1. a sudden and violent gust of wind:Wintry blasts chilled us to the marrow.
  2. the blowing of a trumpet, whistle, etc.:One blast of the siren was enough to clear the street.
  3. a loud, sudden sound or noise:The radio let out an awful blast before I could turn it off.
  4. a forcible stream of air from the mouth, bellows, or the like.
  5. Mechanical Engineering[Mach.]
    • Mechanical Engineeringair forced into a furnace by a blower to increase the rate of combustion.
    • Mechanical Engineeringa jet of steam directed up a smokestack, as of a steam locomotive, to increase draft.
    • Mechanical Engineeringa draft thus increased.
  6. a forceful or explosive throw, hit, etc.:a blast down the third-base line.
  7. Slang Terms
    • a party or riotously good time:Did we have a blast last night!
    • something that gives great pleasure or enjoyment;
      thrill;
      treat:My new electronic game is a blast.
  8. a vigorous outburst of criticism;
    attack.
  9. MeteorologySee blast wave. 
  10. Mining, Civil Engineeringthe charge of dynamite or other explosive used at one firing in blasting operations.
  11. the act of exploding;
    explosion:Some say the blast was in the next county.
  12. Plant Diseasesany pernicious or destructive influence, esp. on animals or plants;
    a blight.
  13. Plant Diseasesthe sudden death of buds, flowers, or young fruit.
  14. Idioms at full blast, at maximum capacity;
    at or with full volume or speed:The factory is going at full blast.Also, full blast. 

v.t. 
  1. to make a loud noise on;
    blow (a trumpet, automobile horn, etc.):He blasted his horn irritably at every car in his way.
  2. to cause to shrivel or wither;
    blight.
  3. to affect with any pernicious influence;
    ruin;
    destroy:Failure in the exam blasted her hopes for college. It was an indiscretion that blasted his good reputation.
  4. to break up or dislodge (a tree stump, rock, etc.):Their explosives were inadequate to blast the granite.
  5. to make, form, open up, etc., by blasting:to blast a tunnel through a mountain.
  6. to show to be false, unreliable, etc.;
    discredit:His facts soundly blasted the new evidence.
  7. Informal Termsto curse;
    damn (usually fol. by it or an object):Blast it, there's the phone again! Blast the time, we've got to finish this work.
  8. to censure or criticize vigorously;
    denounce:In his campaign speech he really blasts the other party.
  9. to hit or propel with great force:He blasted a homer that tied the game. They were blasted into outer space.
  10. to shoot:The terrorists blasted him down.

v.i. 
  1. to produce a loud, blaring sound:The trumpets blasted as the overture began. His voice blasted until the microphone was turned down.
  2. to shoot:He whipped out his revolver and started blasting.
  3. Slang Terms, Drugsto take narcotics.
  4. Rocketry blast off:
    • (of a rocket) to leave a launch pad under its own power.
    • (of an astronaut) to travel aloft in a rocket.
  • bef. 1000; 1955–60 for def. 7a; Middle English (noun, nominal and verb, verbal); Old English blǣst (noun, nominal) a blowing; akin to Old Norse blāstr, Old High German blāst (derivative of blāsan, cognate with Gothic ufblēsan, Old Norse blāsa). See blow2
blaster, n. 
blasty, adj. 
    • 1.See corresponding entry in Unabridged squall, gale, blow, storm. See wind1. 
    • 2.See corresponding entry in Unabridged blare, screech.
    • 11.See corresponding entry in Unabridged discharge, outburst.
    • 17.See corresponding entry in Unabridged annihilate.

-blast, 
  1. var. of blasto - as final element of a compound word:ectoblast.

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