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.

Subject:

gas consisting mainly of methane and carbon dioxide, which is produced as a result of...

Subject:

a natural feature on the Earth's surface

Subject:

satellite that provides complete coverage of Earth as the orbit changes slightly on each...

Subject:

process when a large mass of land breaks loose and plunges down a slope

Subject:

the end part of the digestive system that consists of the caecum, colon, rectum and anus.

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