blast /ˈblæst/ 名詞
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.
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.
n 1: a long and hard-hit fly ball
2: a sudden very loud noise [syn: bang, clap, eruption, loud
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,
3: use explosives on; "The enemy has been shelling us all day"