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:

angle at which the sun strikes a slope

Subject:

the angle that a line makes with the positive x-axis measured in an anticlockwise...

Subject:

kingdom of multicellular eukaryotic organisms that do not have cell walls, feed...

atoms that gain electrons and become negative ions.

Subject:

plant that lives for one year or season.

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