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:

(also called caustic soda) a white solid, available in pellets, flakes or granules, with the...

Subject:

one that is likely to depreciate rapidly and is difficult to convert to other currencies.

when the focus of the subject of an image is fuzzy, creating a romantic effect.

Subject:

the soft 'roof' of the back of the mouth.

Subject:

the loose material of Earth's surface in which plants grow

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