BLASTname

• 1

  biologynatural-sciencesAn algorithm which compares similarities between sequences of nucleotides in nucleic acids or of amino acids in proteins.

blastnoun詞源 1/blɑːst/

• 1

  A violent gust of wind (in windy weather) or apparent wind (around a moving vehicle).

  • And see where surly Winter passes off, / Far to the north, and calls his ruffian blasts; / His blasts obey, and quit the howling hill.
  • Their warm, thick under covering of fine wool protects them from the coldest blasts.
• 2

  A forcible stream of gas or liquid from an orifice, for example from a bellows, the tuyeres of a blast furnace, a person's mouth, etc.

• 3

  A hit of a recreational drug from a pipe.

• 4

  The continuous blowing to which one charge of ore or metal is subjected in a furnace.

  • Many tons of iron were melted at a blast.
  • Blast was produced by bellows worked by four 'blowers', three of whom worked at a time while the fourth stood ready to replace one of the others.
• 5

  The exhaust steam from an 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.

• 6

  An explosion, especially for the purpose of destroying a mass of rock, etc.

  • arc blast
  • Blast after blast, fiery outbreak after fiery outbreak, like a flaming barrage from within,[…]most of Edison's grounds soon became an inferno. As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.
• 7

  ball-gamesbaseballgamesA direct and fast swing of a bat; a home run.

• 8

  A verbal attack or punishment; a severe criticism or reprimand.

  • My manager gave me a blast yesterday for coming in late.
  • P. S.—I gave the P. O. Department a blast in the papers about sending misdirected letters of mine back to the writers for reshipment, and got a blast in return, through a New York daily, from the New York postmaster.

blastverb詞源 2/blɑːst/

• 1

  To make an impression on, by making a loud blast or din.

  • Trumpeters, / With brazen din blast you the city's ear.
• 2

  To make a loud noise.

• 3

  informalTo play (music) very loudly out of a speaker.

  • Some kid is in his car blasting rap. You know, bass in the trunk and you can hear it 4 blocks away? I signal over to him and say "Hey, turn it up, I can't hear it." He turns around and says, "Shut Up Grandpa."
  • There was no flutter of claws requiring me to blast a tape.
• 4

  To shatter, as if by an explosion.

  • Although Maroczy favored solid, positional chess, there were times when he changed his style and blasted his opponents' defenses to bits.
• 5

  To open up a hole in, usually by means of a sudden and imprecise method (such as an explosion).

  • Blast right through it.
• 6

  To curse; to damn.

  • Blast it! Foiled again.
• 7

  literaturemediapublishingTo shoot, especially with an energy weapon (as opposed to one which fires projectiles).

  • Chewbacca blasted the Stormtroopers with his laser rifle.
• 8

  ball-gamesgameshobbiesTo shoot; kick the ball in hope of scoring a goal.

  • A Ricketts and Stuart Holden one-two around the box then created a decent chance for an almost instant equaliser - but Welsh full-back Ricketts blasted over when a calmer finish could have been rewarded.

blastintj詞源 2/blɑːst/

• 1

  informalUsed to show anger or disappointment: damn

  • Now, where's my Labour membership card, so I can consider whether to tear it up? Blast, it's plastic...

blastnoun詞源 3/blɑːst/

• 1

  biologycytologymedicineAn immature or undifferentiated cell (e.g., lymphoblast, myeloblast).

blastverb詞源 4/blɑːst/

• 1

  informalbiologynatural-sciencesTo run a nucleotide sequence (for nucleic acids) or an amino acid sequence (for proteins) through a BLAST (Basic Local Alignment Search Tool).

  • Blasting nucleotide sequences is not always that easy, because there is more ambiguity to the nucleotide sequence, and good hits have to have a 70% homology over the whole sequence to be reliable, compared to 25% with proteins.