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retrovirus

n.
1.any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA)

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  • retrovir
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  • retry
  • retsina
  • return
  • return address
  • return key
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  • returnable
  • returning
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  • club soda
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  • subclass magnoliidae

  • Idiom of the Day

    one-upmanship
    the ability to keep ahead of others, the ability to keep an advantage
    The man's one-upmanship and his desire to be better than everyone else makes many people dislike him.



    1.
    The police not only arrested the leader of the gang but also the ________ who had helped him.

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    The song Happy Birthday to You was originally written by sisters Mildred and Patty Hill as Good Morning to You. The words were changed and it was published in 1935.      .. More >>
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