400 MUST-HAVE WORDS FOR THE TOEFL - Nature

Rasoul P. (Iran)
40 words 10 learners

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Full list of words from this list:

words only definitions & notes
  1. abandon
    forsake; leave behind
    To save their lives, the sailors had to abandon the sinking ship.
  2. adversely
    in an opposing or negative manner
    Excessive rainfall early in the spring can adversely affect the planting of crops.
  3. aggregate
    a sum total of many heterogeneous things taken together
    It is impossible to judge last year’s performance without knowing the aggregate sales numbers.
  4. cultivation
    production of food by preparing the land to grow crops
    With the development of land cultivation, hunters and gatherers were able to settle in one place.
  5. fertilize
    provide with fertilizers or add nutrients to
    To supply with nourishment for plants by adding helpful substances to the soil
  6. intensify
    increase in extent or strength
    Jacob’s long absence intensified his certainty that he should marry Rose.
  7. irrigation
    the act of supplying dry land with water by artificial means
    In dry areas of the country, you can see ditches all over the farmland for irrigation.
  8. obtain
    come into possession of
    After a series of difficult interviews, he finally was able to obtain the job.
  9. photosynthesis
    formation of compounds in plants aided by radiant energy
    own food by combining water, salts, and carbon dioxide in the presence of light.
  10. precipitation
    the falling to earth of any form of water
    In the Pacific Northwest, the high level of precipitation ensures rich, green plant life.
  11. anticipate
    regard something as probable or likely
  12. catastrophic
    extremely harmful; bringing physical or financial ruin
  13. collide
    crash together with violent impact
  14. eruption
    the sudden occurrence of a violent discharge
  15. famine
    a severe shortage of food resulting in starvation and death
  16. flood
    the rising of a body of water and its overflowing onto land
  17. impact
    the striking of one body against another
  18. persevere
    be persistent, refuse to stop
  19. plunge
    dash violently or with great speed or impetuosity
  20. unleash
    turn loose or free from restraint
  21. adapt
    make fit for, or change to suit a new purpose
  22. diverse
    distinctly dissimilar or unlike
  23. evolve
    undergo development
  24. feature
    a prominent attribute or aspect of something
  25. generation
    group of genetically related organisms in a line of descent
  26. inherent
    existing as an essential constituent or characteristic
  27. migration
    the movement of persons from one locality to another
  28. physical
    involving the body as distinguished from the mind or spirit
  29. process
    a particular course of action intended to achieve a result
  30. survive
    continue in existence after
  31. constraint
    the state of being physically limited
  32. contamination
    the state of being corrupted by contact or association
  33. deplete
    use up, as resources or materials
  34. dispose of
    deal with or settle
  35. elementary
    of or being the essential or basic part
  36. emission
    the act of causing to flow forth
  37. extinction
    the state of being no longer in existence
  38. reservoir
    lake used to store water for community use
  39. shrink
    wither, as with a loss of moisture
  40. stable
    resistant to change of position or condition
Created on Sat Nov 10 17:10:44 EST 2012 (updated Sat Nov 10 17:13:44 EST 2012)

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