Glossary

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Looking for a quick definition?

We’ve got loads of key subject terms in our subject glossaries. There are three ways of finding what you are looking for:

  • First click on the letters of the alphabet to browse for terms.
  • Select a subject from the drop-down menu above to filter the terms by Subject.
  • Or lastly, type the term you are looking for into the search box.

EXAMPLES

Here are some examples of the kinds of definitions you’ll find on this page.

valence shell electron pair repulsion theory (VSEPR) is used to explain the shapes of molecules...

the natural circulation of water on, above or below the surface of the Earth.

the total mass of water retained by certain salts at a given temperature.

acids that only partially ionise e.g. CHOOH.

bases that only partially ionise e.g. H2O.

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