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 main vein that returns deoxygenated blood from the lower parts of the body to the right...

Subject:

a response of the body tissues to injury or irritation. It causes pain, swelling, redness and...

Subject:

a viral disease of birds and mammals commonly called the flu.

Subject:

invisible, long-wave radiation emitted by the sun.

Subject:

the act of taking food into the body.

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