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:

a chemical substance found in food that is essential for maintaining life.

Subject:

is the supply of materials, in the form of food, required by organisms and cells to stay alive...

Subject:

is a medical condition in which excess body fat has accumulated to the extent that it may have...

Subject:

the muscular tube of the mammalian digestive tract that links the mouth to the stomach.

Subject:

an animal that feeds on both plant and animal material.

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