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:

symbiosis where one organism lives on another (on the outside of another).

Subject:

a muscle, gland or organ capable of responding to a nerve impulse in order to bring about a...

Subject:

a blood vessel that carries blood away from the glomerulus and branches to form a capillary...

Subject:

liquid waste material that is discharged into a river or the sea.

Subject:

(also called elimination or defecation) the process whereby undigested food remains are expelled...

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