Engineering Glossaries, Dictionaries, and Encyclopedias

American Heritage Dictionary - Engineering is the online American Heritage engineering dictionary.  Appropriate for all age groups.

An Abbreviated Software Engineering Glossary is a brief and informal glossary primarily intended for potential software engineering clients who may be unfamiliar with basic software engineering terminology. 

Building Big - Glossary of Engineering Words is the Public Broadcasting System (PBS) Building Big glossary of primarily Civil Engineering terminology.  Appropriate for all age groups.

Chemical Engineering Materials - Glossary of Terms is a brief glossary of Chemical Engineering terminology.  Most appropriate for college students.

Dictionary of Composite Materials Technology contains all 6100+ definitions from Stuart Lee's original print dictionary. If you don't know where to start, try the Random Word function.  Most appropriate for college students.

EngNet - Engineering Dictionary is a brief glossary of general Engineering terms.  Appropriate for all age groups.

Environmental Engineering Glossary is a brief glossary of environmental engineering terms.  Appropriate for high school and college students.

KnowledgeBase Glossary of Engineering Terms is a complete glossary of general engineering terms emphasizing electrical and computer engineering technology.  Appropriate for high school and college students.

YourDictionary.com - Engineering includes a variety of engineering dictionaries and glossaries, including civil engineering and electrical engineering technology.  Most appropriate for college students.