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:

any four-sided polygon

dealing only with the nature, and not with the specific amounts of the substance under...

Subject:

a level of excellence, adhering to standards laid down.

Subject:

measures taken to test the quality of the goods produced; the systematic control of materials,...

having fixed amounts of energy.

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