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:

substance, quality or organism that has use and value to a society

Subject:

a fault created by compression forces and in which the roof of the fault is the part that moves...

Subject:

a scale that measures the strength of an earthquake by recording the energy released at the...

Subject:

high pressure area between two low pressure areas

Subject:

a rift in the surface of the Earth caused by divergent tectonic plates

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