UpEarth Science
USGS Paleontology - Glossary of Terms
Volcanic and Geologic Terms
Volcano World, University of North Dakota
Seismology Glossary
Southern California Earthquake Data Center
Glossary of Climate Terms
Water Science Glossary of Terms
USGS Water Science for Schools
Volcanic and Geologic Terms
Volcano World, University of North Dakota
Oilfield Glossary
Internet Glossary of Soil Science Terms
Soil Science Society of America
UpWeather & Climate
Glossary of Meteorology
American Meteological Society
Climate and Weather Terms Glossary
Western Regional Climate Center at the Desert Research Institute, NOAA
JetStream: Glossary
National Weather Service Online School for Weather, NOAA
Glossary of Physical Oceanography and Related Disciplines
Stephen K. Baum, Texas A&M University
Glossary of Coastal Terminology
Coastal & Hydraulics Laboratory, US Army Corps of Engineers
GIS Dictionary
GIS Lounge
UpGeneral Dictionaries
"WordNet® is an online lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept. Different relations link the synonym sets."
George A. Miller, Cognitive Science Laboratory, Princeton University
Oxford English Dictionary Online
UCSD and subscriber access only.
Merriam-Webster Online
Word Central
The American Heritage® Dictionary of the English Language
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Updated: December 8, 2005