Skip directly to content

Dictionaries and Encyclopedias

General Dictionaries & Encyclopedias

Science & Math Encyclopedias

  • Access Science
    AccessScience synthesizes vast amounts of information, and organizes it to give you fast, easy and accurate access to authoritative articles in all major areas of science and technology. More than 8500 scientific topics are explained, 110,000 terms defined, using more than 15,000 diagrams and graphics to explain ideas and topics. Continuously updated including the latest terms, images and videos.
  • Encyclopaedia of the History of Technology
  • Encyclopedia of Earthquakes and Volcanos
    Short-to-medium length articles discussing specific earthquake events and volcanoes and the terminology associated with these phenomena. Many places, including the individual U.S. states, are listed with their earthquake history and potential risk.
  • Encyclopedia of Mathematics & Society
  • MathWorld
    A comprehensive and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers.

Humanities & Fine Arts Encyclopedias

Social Science Dictionaries & Encyclopedias