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.

the simplest type of pure substance that cannot be broken down into simpler components.

Subject:

one member of a group that makes up a set.

a reaction in which a small atom or molecule is removed or eliminated from a larger molecule....

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