Dictionaries and Word Definitions

Cambridge American English Dictionary

From Cambridge University.
http://dictionary.cambridge.org/ results.asp?dict=A

Chemistry & Environmental Dictionary

This dictionary contains many definitions for chemistry, environmental, and other technical words and terms.
http://www.environmentalchemistry.com/yogi/ chemistry/dictionary/

Dictionary of Computing

Free Online Dictionary of Computing (FOLDOC). Over 14,000 words and terms associated with computers.
http://foldoc.doc.ic.ac.uk/foldoc/

Dictionary of Occupational Titles Index

An alphabetical index to the Dictionary of Occupational Titles (DOT) as supplied by the Deptartment of Labor.
http://www.theodora.com/dot_index.html

Glossary of Microbiology

A glossary of microbiology words and terminology. From McGraw-Hill Higher Education.
http://highered.mcgraw-hill.com/sites/0072320419/student_view0/glossary_a-f.html

Legal Dictionary

Legal terminology and definitions. From Law.com.
http://dictionary.law.com/

Life Science Dictionary

A dictionary of over 8,300 life science words and terminology.
http://biotech.icmb.utexas.edu/search/dict-search.html

NetLingo

An Internet language dictionary.
http://www.netlingo.com/

Pimbley's Dictionary of Heraldry

Decipher your coat-of-arms with this dictionary of heraldry terms and definitions.
http://digiserve.com/heraldry/pimbley.htm

Reverse Dictionary

Lets you describe a concept and get back a list of words and phrases related to that concept.
http://www.onelook.com/reverse-dictionary.shtml

Rhyming Dictionary

Enter a word and this dictionary returns a rhyming counter-part. Use it to help write poetry, song lyrics, greeting cards, witticisms, and more.
http://www.rhymer.com/

Student Dictionary

Word Central. From Merriam-Webster.
http://www.wordcentral.com/

Synonyms Dictionary

Enter a word and this dictionary will return its synonym.
http://vancouver-webpages.com/synonyms.html

Unix Dictionary

Dictionary of UNIX commands and terminology.
http://www2.math.uic.edu/~hanson/UNIX/UnixDictionary.html

Webster's Revised Unabridged Dictionary, 1913 Edition

This 80 year old dictionary is helpful in finding some obsolete words and definitions.
http://humanities.uchicago.edu/forms_unrest/webster.form.html

Webopedia

Dictionary of popular Internet and computer words and terms.
http://www.webopedia.com/