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 disease caused when the body's immune system destroys other body cells.

Subject:

self-feeding; makes its own food by the process of photosynthesis.

Subject:

organisms, such as plants, which are able to produce their own organic foodstuffs from inorganic...

a non-finite verb that cannot stand on its own; a 'helping' verb that precedes the main verb, e....

Subject:

(also called mean) the sum of a set of quantities divided by the number of quantities in the set...

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