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 spike [spaɪk]   添加此单词到默认生词本
n. 长钉, 鞋钉, 钉状物, 尖峰状物, 穗

vt. 以大钉钉牢, 用尖物刺穿, 阻止, 弃置不用

[计] 尖峰信号

[医] 峰, 峰形(示波图中); 穗状花序




    spike
    [ noun ]
    1. a transient variation in voltage or current

    2. <noun.event>
    3. sports equipment consisting of a sharp point on the sole of a shoe worn by athletes

    4. <noun.artifact>
      spikes provide greater traction
    5. fruiting spike of a cereal plant especially corn

    6. <noun.plant>
    7. (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis

    8. <noun.plant>
    9. a sharp rise followed by a sharp decline

    10. <noun.event>
      the seismograph showed a sharp spike in response to the temblor
    11. a very high narrow heel on women's shoes

    12. <noun.artifact>
    13. each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)

    14. <noun.artifact>
      the second baseman sharpened his spikes before every game
      golfers' spikes damage the putting greens
    15. a sharp-pointed projection along the top of a fence or wall (or a dinosaur)

    16. <noun.artifact>
    17. a long, thin sharp-pointed implement (wood or metal)

    18. <noun.artifact>
      one of the spikes impaled him
    19. any holding device consisting of a rigid, sharp-pointed object

    20. <noun.artifact>
      the spike pierced the receipts and held them in order
    21. a large stout nail

    22. <noun.artifact>
      they used spikes to fasten the rails to a railroad tie
    [ verb ]
    1. stand in the way of

    2. <verb.social>
    3. pierce with a sharp stake or point

    4. <verb.contact> empale impale transfix
      impale a shrimp on a skewer
    5. secure with spikes

    6. <verb.contact>
    7. bring forth a spike or spikes

    8. <verb.change>
      spike out
      my hyacinths and orchids are spiking now
    9. add alcohol to (beverages)

    10. <verb.change>
      fortify lace
      the punch is spiked!
    11. manifest a sharp increase

    12. <verb.change>
      the voltage spiked


    Spike \Spike\, n. [Akin to LG. spiker, spieker, a large nail, D.
    spijker, Sw. spik, Dan. spiger, Icel. sp[=i]k; all perhaps
    from L. spica a point, an ear of grain; but in the sense of
    nail more likely akin to E. spoke of a wheel. Cf. {Spine}.]
    1. A sort of very large nail; also, a piece of pointed iron
    set with points upward or outward.

    2. Anything resembling such a nail in shape.

    He wears on his head the corona radiata . . .; the
    spikes that shoot out represent the rays of the sun.
    --Addison.

    3. An ear of corn or grain.

    4. (Bot.) A kind of flower cluster in which sessile flowers
    are arranged on an unbranched elongated axis.

    {Spike grass} (Bot.), either of two tall perennial American
    grasses ({Uniola paniculata}, and {U. latifolia}) having
    broad leaves and large flattened spikelets.

    {Spike rush}. (Bot.) See under {Rush}.

    {Spike shell} (Zo["o]l.), any pteropod of the genus
    {Styliola} having a slender conical shell.

    {Spike team}, three horses, or a horse and a yoke of oxen,
    harnessed together, a horse leading the oxen or the span.
    [U.S.]


    Spike \Spike\, v. t. [imp. & p. p. {Spiked}; p. pr. & vb. n.
    {Spiking}.]
    1. To fasten with spikes, or long, large nails; as, to spike
    down planks.

    2. To set or furnish with spikes.

    3. To fix on a spike. [R.] --Young.

    4. To stop the vent of (a gun or cannon) by driving a spike
    nail, or the like into it.


    Spike \Spike\, n. [Cf. G. spieke, L. spica an ear of grain. See
    {Spikenard}.] (Bot.)
    Spike lavender. See {Lavender}.

    {Oil of spike} (Chem.), a colorless or yellowish aromatic oil
    extracted from the European broad-leaved lavender, or
    aspic ({Lavendula Spica}), used in artist's varnish and in
    veterinary medicine. It is often adulterated with oil of
    turpentine, which it much resembles.

    1. Gasoline futures last traded above $1 on Aug. 24, while heating oil futures had not been that high since the price spike last December.
    2. Among the most significant of those events are the sudden spike in the price of oil and the looming possibility of a recession soon.
    3. An on-screen image can, at a quick glance, draw the eye to an unusual spike of red or dash of blue, revealing patterns that numbers need thousands of rows to show.
    4. The ticket-tax proposal was first floated last fall, when the airlines were stung by a spike in jet fuel costs.
    5. That chart shows a larger upward spike in those yield spreads in the first three weeks after Boesky than occurred after LTV.
    6. "According to our information the safety and effectiveness of spike has been clearly demonstrated and defended by the company. Numerous environmental tests have been carried out in compliance with federal regulations," she said.
    7. But its immediate cause appears to be an upward spike in demand for memory chips, coming just as producers were in the middle of a troublesome production switch to a more sophisticated memory chip.
    8. Prices are expected to move upward in a temporary spike in the first half of 1988.
    9. "You'll get one spike" in the stock when the company loses its chairman, he says.
    10. And First National Bank of Boston's Mr. Pusateri says the start of a ground war in the Persian Gulf "could spike the dollar up temporarily" on flight-to-quality buying.
    11. Mr. Bush said he hoped the "rapid spike in oil prices will not be permanent" and that "things will return much more to normal in the market." Other administration officials are picking up the offensive.
    12. A spike in energy costs after a run-up in oil prices early this year also swelled the overhead costs of many businesses.
    13. Mr. Sinai noted, however, that the spending spike was widespread among services, durable goods (goods intended to last three or more years) and nondurables.
    14. Given the subsequent spike in oil prices following Iraq's invasion of Kuwait earlier this month, analysts said the trade deficit is certain to widen again.
    15. This prompted an angry reaction last week from the State Department, which said the "safety and effectiveness of spike has been clearly demonstrated and defended by the company."
    16. Still other dealers suggest many investors aren't expecting a protracted conflict that would trigger a significant spike in gold prices.
    17. "What I'm curious about is how sustained will the interest be," he said. "Will the interest, as reflected by the television ratings, be for just that one spike, or will there be sustained interest in the space program as it once had?
    18. Some residents had asked that police do so, saying the park is a nighttime hangout for drug dealers, rowdy drunks, homeless people and so-called punk rockers, who dress in black leather and spike their hair.
    19. Tom Griffith, executive secretary of the Mount Rushmore Society, is seriously trying to spike the idea.
    20. Recently, a number of forecasters have projected world oil demand will grow faster than production capacity, triggering a spike that could double prices by the mid-1990s.
    21. Another is balanced on a spike, which seems then to skewer her.
    22. For example, the SEC says in its report that at 3:49 p.m. EST, just before the DJIA hit its bottom, down 200 points, the New York Stock Exchange floor was "hit by a spike of program sell orders for 2.5 million shares from three firms."
    23. Expectations of lower interest rates kept many corporate borrowers on the sidelines during the first half of the year, and a spike in interest rates after Iraq's invasion of Kuwait stifled issuance in the third quarter.
    24. If TVA had waited just one more week, the spike up in rates would have cut the annual savings of refinancing from $10.5 million to only $2 million, probably killing the refinancing.
    25. "The worst of the squeeze on purchasing power is behind us," says Robert Marks, president of SOM Economics Inc. He notes that oil prices have dropped significantly since the war-related spike last year.
    26. The economist estimates a 0.2% rise in the November Producer Price Index, a sharp retreat from October's outsized 0.7% spike.
    27. Baynard said the government is particularly concerned that operators of the reactor continued building up power despite the 2 percent "power spike" _ an abrupt and unexpected increase in temperature and pressure.
    28. Whether or not gasoline prices spike then will depend on how much oxygenate there is in storage.
    29. However, the spike in wood-products prices wasn't enough to offset weak results in paper and packaging.
    30. He said petroleum derivative products, such as chemicals and plastics, have yet to reflect fully the recent oil-price spike.
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