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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.


Here are some examples of the kinds of definitions you’ll find on this page.

See degrees of comparison of adjectives and degrees of comparison of adverbs.


a change in the price of one good will result in a change in the demand for the other good.


an increase in income will lead to a rise in demand.