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.

a special effect that presents the action at a faster than normal pace. Speeded-up motion is...

patterns useful to learn for spelling correctly, as certain words are spelt in similar ways, and...

Subject:

a set of points in space equally distant from a given (central) point.

Subject:

a ring of muscle that controls the passage of substances through a tube or body opening.

Subject:

a small, circular opening in the exoskeleton of insects that allows air to enter the insect's...

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