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:

the double membrane that surrounds the lungs.

Subject:

the space that exists between the two layers of the pleura.

Subject:

the liquid found in the pleural cavity that acts as a lubricant.

the events that take place in a story of a novel, play or film.

a form of the word that indicates that you are talking about more than one person or thing. A...

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