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:

sharp angle change between the talus and pediment

Subject:

a treaty established in 1997, under the auspices of the United Nations, which requires its...

Subject:

weather phenomenon that occurs as a result of very cold temperatures in the Pacific Ocean

Subject:

a dome-shaped mass of igneous rock that has intruded between rock strata, resulting in uplift...

Subject:

a natural feature on the Earth's surface

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