Biology Dictionary and Encyclopedia
The Encyclopedia of EarthCambridge Dictionaries online
Three different Cambridge dictionaries may be searched from this site: International Dictionary of English, Dictionary of American English, and the Learner's Dictionary.
Merriam-Webster's Collegiate Dictionary, Tenth Ed.
This dictionary allows regular and wildcard searching, so you can find all the words ending in a given suffix.
Britannica Online
Britannica Online is the online version of Encyclopedia Britannica and includes internet links.
Encyberpedia
Encyberpedia is an electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet.
Information Please Almanac
Allows searching or browsing in sports, entertainment, U.S., world, people, living, society, business & economy, or science & technology
A Dictionary of Units of Measurement
This dictionary is helpful for converting units of measurement.