This is the "Reference" page of the "Biology" guide.
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Last Updated: Feb 10, 2017 URL: Print Guide RSS Updates

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General Dictionaries:

  • Merriam-Webster Collegiate Dictionary - red audio icons next to an entry word can be clicked to hear the word pronounced by a real voice.
  • Visuwords - Look up words to find their meanings and associations with other words and concepts. Produce diagrams reminiscent of a neural net. Learn how words associate.
  • Wiktionary - a sister to Wikipedia

Subject Dictionaries:


General Encyclopedias:

*Notice Wikipedia is not listed here.

 Science Encyclopedias:


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