blast /ˈblæst/
 陣,一陣風,爆炸,枯萎病(vt.)炸,使枯萎(vi.)猛攻,公開批評,枯萎
 blast /ˈblæst/ 名詞
 胚細胞,鼓風,送風,一股(風),一股(氣流),一陣(風),炸掉,摧毀
 blast
 清除
 blast
 噴砂; 砂磨
 blast
 噴除
 Blast n.
 1. A violent gust of wind.
 And see where surly Winter passes off,
 Far to the north, and calls his ruffian blasts;
 His blasts obey, and quit the howling hill.   --Thomson.
 2. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.
 Note: ☞ The terms hot blast and cold blast are employed to designate whether the current is heated or not heated before entering the furnace. A blast furnace is said to be in blast while it is in operation, and out of blast when not in use.
 3. The exhaust steam from and engine, driving a column of air out of a boiler chimney, and thus creating an intense draught through the fire; also, any draught produced by the blast.
 4. The sound made by blowing a wind instrument; strictly, the sound produces at one breath.
 One blast upon his bugle horn
 Were worth a thousand men.   --Sir W. Scott.
    The blast of triumph o'er thy grave.   --Bryant.
 5. A sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight.
    By the blast of God they perish.   --Job iv. 9.
    Virtue preserved from fell destruction's blast.   --Shak.
 6. The act of rending, or attempting to rend, heavy masses of rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also, the charge used for this purpose. “Large blasts are often used.”
 7. A flatulent disease of sheep.
 Blast furnace, a furnace, usually a shaft furnace for smelting ores, into which air is forced by pressure.
 Blast hole, a hole in the bottom of a pump stock through which water enters.
 Blast nozzle, a fixed or variable orifice in the delivery end of a blast pipe; -- called also blast orifice.
 In full blast, in complete operation; in a state of great activity. See Blast, n., 2. [Colloq.]
 Blast, v. t. [imp. & p. p. Blasted; p. pr. & vb. n. Blasting.]
 1. To injure, as by a noxious wind; to cause to wither; to stop or check the growth of, and prevent from fruit-bearing, by some pernicious influence; to blight; to shrivel.
    Seven thin ears, and blasted with the east wind.   --Gen. xii. 6.
 2. Hence, to affect with some sudden violence, plague, calamity, or blighting influence, which destroys or causes to fail; to visit with a curse; to curse; to ruin; as, to blast pride, hopes, or character.
    I'll cross it, though it blast me.   --Shak.
    Blasted with excess of light.   --T. Gray.
 3. To confound by a loud blast or din.
 Trumpeters,
 With brazen din blast you the city's ear.   --Shak.
 4. To rend open by any explosive agent, as gunpowder, dynamite, etc.; to shatter; as, to blast rocks.
 Blast, v. i.
 1. To be blighted or withered; as, the bud blasted in the blossom.
 2. To blow; to blow on a trumpet. [Obs.]
 Toke his blake trumpe faste
 And gan to puffen and to blaste.   --Chaucer.
 ◄ ►
 blast
      n 1: a long and hard-hit fly ball
      2: a sudden very loud noise [syn: bang, clap, eruption, loud
         noise]
      3: a strong current of air; "the tree was bent almost double by
         the gust" [syn: gust, blow]
      4: an explosion (as of dynamite)
      5: a highly pleasurable or exciting experience; "we had a good
         time at the party"; "celebrating after the game was a
         blast" [syn: good time]
      6: intense adverse criticism; "Clinton directed his fire at the
         Republican Party"; "the government has come under attack";
         "don't give me any flak" [syn: fire, attack, flak, flack]
      v 1: make a strident sound; "She tended to blast when speaking
           into a microphone" [syn: blare]
      2: hit hard; "He smashed a 3-run homer" [syn: smash, nail,
         boom]
      3: use explosives on; "The enemy has been shelling us all day"
         [syn: shell]