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 membrane surrounding the vacuole. It is similar in structure and function to the cell...

Subject:

the destruction of the enamel of a tooth owing to the action of bacteria that live in plaque....

Subject:

a state of inactivity.

Subject:

the maximum amount of air the lungs can hold.

Subject:

the windpipe or tube that carries air. It is kept open by C-shaped rings of cartilage.

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