radioactive waste

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words only definitions & notes
  1. radioactive waste
    useless radioactive materials that are left after some laboratory or commercial process is completed
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  2. kilometre
    a metric unit of length equal to 1000 meters
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  3. isotope
    atom with same atomic number, different number of neutrons
    Decaying radioactive isotopes release heat.
  4. geologically
    with respect to geology
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  5. radioactivity
    the discharge of particles or rays in nuclear decay
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  6. high-level
    at an elevated level in rank or importance
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  7. radioactive
    exhibiting or caused by emissions in nuclear decay
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  8. repository
    a facility where things can be deposited for safekeeping
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  9. waste
    use inefficiently or inappropriately
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  10. fuse
    any igniter used to initiate the burning of a propellant
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  11. accumulate
    get or gather together
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  12. metre
    the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  13. eventual
    expected to follow in the indefinite future
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  14. drilled
    trained in a skill by repetitious practice
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  15. burying
    concealing something under the ground
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  16. decayed
    damaged by decay; hence unsound and useless
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  17. generate
    bring into existence
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  18. decay
    the organic phenomenon of rotting
    Decaying radioactive isotopes release heat.
  19. dangerously
    in a dangerous manner
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  20. leak
    enter or escape as through a hole or crack or fissure
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  21. exploit
    use or manipulate to one's advantage
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  22. surround
    extend on all sides of simultaneously; encircle
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  23. expert
    a person with special knowledge who performs skillfully
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  24. worldwide
    spanning or extending throughout the entire world
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  25. accumulated
    periodically gathered over time
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  26. drill
    a tool for making holes in hard materials
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  27. store
    a mercantile establishment for the sale of goods or services
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  28. seal
    fastener consisting of a resin that is plastic when warm
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  29. bury
    place in a grave or tomb
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  30. disposal
    the act or means of getting rid of something
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  31. sealed
    closed or secured
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  32. currently
    at this time or period
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  33. accord
    concurrence of opinion
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  34. lowered
    below the surround or below the normal position
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  35. cool
    neither warm nor very cold; giving relief from heat
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  36. stocks
    a frame that supports a boat while it is under construction
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  37. stable
    resistant to change of position or condition
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  38. bet
    stake on the outcome of an issue
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  39. surrounding
    closely encircling
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  40. trick
    a cunning or deceitful action or device
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  41. heat
    a form of energy transferred by a difference in temperature
    Decaying radioactive isotopes release heat.
  42. level
    a relative position or degree of value in a graded group
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  43. nuclear
    constituting the core or central part
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  44. safely
    in a manner unlikely to cause damage or harm
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  45. contain
    hold or have within
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  46. release
    grant freedom to; free from confinement
    Decaying radioactive isotopes release heat.
  47. ground
    the solid part of the earth's surface
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  48. constantly
    without variation or change, in every case
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  49. rock
    material consisting of the aggregate of minerals
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
  50. agree
    consent or assent to a condition
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  51. site
    the piece of land on which something is located
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  52. plant
    a living organism without the power to move
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  53. highly
    to a great degree or extent; favorably or with much respect
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  54. theory
    a belief that can guide behavior
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  55. term
    a limited period of time during which something lasts
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  56. finding
    something that is discovered
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  57. problem
    a question raised for consideration or solution
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  58. recent
    of the immediate past or just previous to the present time
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  59. otherwise
    in another and different manner
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  60. vast
    unusually great in size or amount or extent or scope
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  61. stock
    a supply of something available for future use
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  62. safe
    free from danger or the risk of harm
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  63. policy
    a plan of action adopted by an individual or social group
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  64. above
    in or to a place that is higher
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  65. hot
    having a high or higher than desirable temperature
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  66. lower
    move something or somebody to a lower position
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  67. high
    being at or having a relatively great or specific elevation
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  68. below
    in or to a place that is lower
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  69. result
    something that follows as a consequence
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  70. according
    in agreement with
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  71. clear
    readily apparent to the mind
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  72. hundred
    ten 10s
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  73. become
    come into existence
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  74. several
    of an indefinite number more than 2 or 3 but not many
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  75. believe
    accept as true; take to be true
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  76. government
    the system or form by which a community is ruled
    Worldwide, high-level waste is currently stored above ground, and no government has a clear policy on its eventual disposal.
  77. want
    the state of needing something that is absent or unavailable
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  78. enough
    sufficient for the purpose
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  79. however
    in whatever way or manner
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  80. find
    discover or determine the existence, presence, or fact of
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  81. why
    the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores'
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  82. world
    the 3rd planet from the sun; the planet we live on
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  83. while
    a period of indeterminate length marked by some action
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  84. long
    primarily spatial sense
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  85. down
    in a lower place or position
    According to one recent theory, however, waste should be lowered down boreholes drilled to 4 kilometres.
  86. have
    possess, either in a concrete or an abstract sense
    The world's nuclear plants have accumulated vast stocks of highly radioactive waste.
  87. many
    a large number of the persons or things being discussed
    This is why many experts want to store waste above ground until it has decayed and is cool enough to be stored safely in sealed repositories several hundreds of metres below ground.
  88. must
    a necessary or essential thing
    As a result, high-level waste must be constantly cooled; otherwise, it becomes dangerously hot.
  89. most
    used to indicate the greatest amount or degree of a quality
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  90. can
    airtight sealed metal container for food or drink, etc.
    While most experts believe that burying the waste is the safest bet in the long term, the problem is finding sites that everyone can agree are geologically stable.
  91. any
    to some extent or degree
    The trick is to exploit heat generated by the waste to fuse the surrounding rock and contain any leaking radioactivity.
Created on 七月 21, 2011

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