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 movement of respiratory gases across a respiratory surface.

Subject:

the acidic fluid secreted into the mammalian stomach which contains various digestive enzymes...

Subject:

a hormone that causes the secretion of gastric juices into the stomach.

Subject:

the cavity used for transport purposes. It has one opening to the environment through which...

Subject:

the amount of money that firms actually receive for the output that they produce

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