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 widespread and rapid extinction of species in the present age due to negative human impact...

Subject:

part of the skeleton that occurs in the head which supports the structures of the face and forms...

Subject:

the first part of the intestine, from the pyloric valve of the stomach to the caecum. It...

Subject:

involuntary muscle found in the walls of blood vessels, in digestive, respiratory, urinary and...

Subject:

also known as sodium hydrogen carbonate. It is a crystalline white solid that usually appears as...

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