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:

a large mass of granite rock exposed on Earth's surface and that forms from a batholith or...

Subject:

green area like parks in a city which are the 'lungs' of the city

Subject:

energy that does not harm the environment

Subject:

carbon dioxide and other gases that absorb heat and contribute to the greenhouse effect

Subject:

a reference system used to locate places on a map

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