Chemical dictionaries, encyclopedias, and naming conventions

Acronym Database
Search for chemical abbreviations, as well.

Acronyms and Abbreviations
Search through their database of terms. From Freie Universität Berlin.

Acronyms and Abbreviations
Techniques and processes used in the semiconductor industry. From SEMATECH.

Atmospheric Chemistry and Air Quality Glossary
Definitions written by atmospheric science students.

Beilstein Dictionary
German/English chemical dictionary.

Bureau International des Poids et Mesures
Metrology research and authority for Système International units of measurement.

Chemical Glossary
General chemistry vocabulary. From Jennifer Hunt and Barbara Whitmarsh, University of Illinois at Urbana-Champaign.

Chemistry Dictionary
Alphabetized list of terms and definitions. From the Chemical Institute of Canada.