Goldbook.iupac.org
The IUPAC Compendium of Chemical Terminology
Explore chemical terminology and definitions in the IUPAC Gold Book—an interactive, authoritative resource for chemistry terms and vocabulary.
Browse official chemistry terms and definitions
The IUPAC Compendium of Chemical Terminology, known as the Gold Book, is an interactive online encyclopedia dedicated to chemistry terms and definitions. Whether you're a student, educator, or professional, you can easily look up precise explanations for thousands of scientific terms directly from the authoritative source in the field.
With its user-friendly browsing and search features, the site makes it simple to find clear definitions and standardized nomenclature. It's a helpful resource for anyone needing to understand or communicate chemistry concepts accurately, offering direct access to official terminology curated by the International Union of Pure and Applied Chemistry.
If you need a trustworthy reference for chemical vocabulary or want to stay consistent with global scientific standards, this site offers a comprehensive and up-to-date guide. You can also explore related resources and tools to further support your work or studies in chemistry.
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