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.

Ernest Rutherford carried out the famous experiment that led to the hypothesis of the nuclear...

Subject:

a thin sheet of granite which has become visible on Earth's surface

spherical orbital that may contain a maximum of 2 electrons. Found in every energy level

Subject:

graph showing the acceleration of urbanisation in a country

Subject:

area that borders the southern part of the Sahara Desert

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