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 fault created by tension forces and in which the roof of the fault is the part that moves down...

Subject:

when a river flows normally without overflowing its banks

Subject:

rate at which air cools with an increase in altitude

Subject:

the division of the world into the developed northern hemisphere and less developed southern...

Subject:

the total number of people living in an area divided by the total area of cultivated land they...

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