Chemistry Glossaries & Dictionaries

Look up the definitions of chemistry terms in this alphabetical chemistry dictionary or glossary.

Look up engineering definitions and acronyms with this engineering glossary and dictionary.

This is an organic chemistry glossary. Look up definitions of common and important organic chemistry terms.

Type in an acronym or abbrevation to get the chemistry term. This searchable database is sponsored by Chemie.DE Information Service.

This is a searchable English/German index of acronyms and abbreviations.

This is an illustrated dictionary of jewelry, but it is a great reference for quick information about gemstones, metals, and minerals.

This is an updated list based on the 1995 glossary generated by students in a senior level class studying air quality and atmospheric chemistry at Sam Houston State University.

This is an English and German dictionary for users of the Beilstein Handbook of Organic Chemistry.

Chemistry terms applicable to compressed air systems. From Impact RM.

Fundamental physical constants from the US National Institute of Standards and Technology.

Fu T'sang Treasures presents this page, which lists and defines quality marks for precious metals. Gold, silver, vermeil, platinum, and palladium are included.

Système International history, units, definitions, and prefixes.

Glossary from C.F.C. Reclamation & Recycling Service.

Applicable to chemistry situations, as well. From Donald E. Simanek, Lock Haven University.

Naming conventions and proper terminology. Also, see the IUPAC Nomenclature Web version.

Laws, rules, and principles in physics.

Search for chemical terms with medical relevancy.

This is the definition of nano.

This is the definition of deca.

This is the definition of alpha radiation.

This is the definition of radioactivity.

This is the definition of rate determining step.

This is the definition of abhesive.

This is the definition of gold.

This is the definition of liquefaction.

This is the definition of ultra high frequency.

This is the definition of oxime.

This is the definition of radical.