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:

countries that are low-income to middle- income, unindustrialised countries

Subject:

either side of a geological fold

Subject:

a series of coordinates joined together to form a line

Subject:

(also called a parallel) line stretching from west to east on a map

Subject:

(also called a median) line stretching from north to south on a map

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