This glossary offers a curated collection of key terms that define the language of chemistry. You’ll encounter fundamental concepts such as molecule, reaction, and acid, as well as advanced vocabulary like electronegativity, thermodynamics, and nucleophilic substitution. This glossary provides concise, accessible definitions across a wide range of chemistry topics.
You’ll encounter terms from various branches of chemistry:

  • Organic Chemistry – Learn about carbon-based molecules and functional groups that form the backbone of life and materials.
  • Inorganic Chemistry – Discover the properties of metals, minerals, and non-organic compounds.
  • Analytical Chemistry – Explore how scientists identify substances and measure concentrations using tools like chromatography and spectrophotometry.
  • Physical Chemistry – Understand the energy, heat, and physics behind chemical interactions.
  • Biochemistry – Decode the chemical language of cells, proteins, and enzymes within living organisms.

Browse glossary alphabetically or use the search bar to find specific terms.