In the 2012 President's Budget Request, the National Biological Information Infrastructure (NBII) is terminated. As a result, all resources, databases, tools, and applications within this web site will be removed on January 15, 2012. For more information, please refer to the NBII Program Termination page.
A dictionary is an alphabetical listing of words with their meanings, spellings, variant forms, pronunciation, and word origin. Dictionaries may be monolingual or multilingual.
A glossary is an alphabetical list of technical terms used within a specialized field of knowledge, accompanied by contextual definitions for each term.
The NBII Program is administered by the Biological Informatics Program of the U.S. Geological Survey